A/N: David305, I received your review halfway through this story. I have already thought of that, and repaired the details in the earlier chapters, as well as explained a few more in this. Thanks for your advice anyway. It's welcome.

becky red: You have requested a chapter, you have received a chapter.

Fox of the Nova: Well, I tried. I guess I can't create a more detailed combat situation without additional practice. In future chapters, I will take more time to do so.

Thank you all for the reviews. All tips are welcome.

Collision

Harry found himself in a dark room, watching a kneeling robed figure in front of him.

"I hope you are more useful than your father, Draco," Harry said in a cold high-pitched voice. The figure didn't respond. "Are you sure that tomorrow is the day the students visit Hogsmeade?"

"Yes my lord," said Draco.

"Excellent. Leave now."

Harry watched the young Death Eater leave the room, then stood up. Abruptly, Voldemort became aware of the intruding presence within his mind.

"Potter!" he said in shock. "How did you get in my mind?"

Harry didn't say anything. He was too shocked. Before Voldemort could say anything else, Harry saw the room dissolve and the Gryffindor common room came into focus.

"Well, that was something," Mark commented as he lowered his wand and looked at Harry carefully.

"How the bloody hell did you do that?" Harry whispered hysterically.

"Calm down Harry," Tersan said softly. "I don't want to keep controlling your emotions for you. Use the Mindcraft."

Slowly, Harry focused and felt his shock drain away. To his surprise, he found that he could use his Mindcraft to fully control his emotions.

"This can come in handy," Harry noted.

"It sure can. You can lower and raise any emotion of your own to your own desired level. Too much terror? Cut it off completely. Too sad? Raise your happiness," Tersan listed. He would have gone on if not for Mark who clocked him over the head.

Tersan cleared his throat. "Now then. From what my avatar tells me, Voldemort plans to attack the wizarding village nearby. It would appear that Voldemort himself will lead this attack ever since you massacred the Death Eaters on the platform."

Harry's eyes widened, causing both Mark and Tersan to laugh.

"What are you two doing here anyway?" asked Harry.

"What do you mean here?" they asked in unison.

"In the dormitory."

Tersan pointed a finger accusingly at Mark. "It was his idea. Not mine. No, not at all. Speak to you as soon a possible he said. Told him I did, to wait for you. But no, he had to insist," he said.

"I did not," Mark retorted. "It was you."

"WHAT DOES IT MATTER?" Tersan bellowed. "WE ARE HERE, NEVERTHELESS!"

Mark spent several seconds with his ears covered before whacking him again. Tersan struck back. They started striking back and forth so fast that they became a blur, then even faster until their actions were virtually invisible.

Harry sighed. "Can you not do that here right now? I will have to tell Dumbledore about this." They stopped.

"Don't bother. Snape has most likely informed them," Mark sighed. "And don't bother asking me how I know. I know everything you know. Courtesy of Tersan."

"Fine then."

"Alright, I'll wait for VoldemRot, oops, I mean Voldemort," Tersan said cheerfully. "Or Moldy Voldie. How about Tommy? Oh! Even better! Tom Riddle the Joke, or Ridiculous. No wait, ah hell, I'm out of ideas."

Harry laughed at the insulting variations of Voldemort's name. Personally, he would have preferred to use Tom, but Voldemrot and Moldy Voldie sounded just as effective.

A gong rang in the background signaling the starting of the first classes. Just like the day before, Mark opened an inter-castle passageway and left for Potions for the second time.

Tersan started to follow, but caught himself. "Can't go with you."

Harry turned around. "Why not?"

Tersan looked surprised. "Why not? Because my avatar and I look exactly alike. It wouldn't look right with two of the same in the room."

"But what about the reality altering thing you did?"

Mark answered, "That was only for me. I am able to go anywhere in the castle without anyone seeing anything out of the ordinary. Changing reality too much tends to result in undesired consequences. You probably might think that we could do something to destroy Voldemort. If that were possible, we would long since used those powers to meet our own needs."

Harry looked slightly deflated. He had hoped that Tersan would be able to help him destroy Voldemort.

"Shall we get going now?" Mark asked urgently. "We are going to be late."

"I'll be down in the fortress," said Tersan as he warped away.

Harry stared at the spot that Tersan had disappeared from. "You have got to teach me that."

"I will."

"Thanks," Harry said happily. "By the way, what does he do down there?"

"Enchantments. The rest is simply construction," Mark said as he walked into the wall. Harry followed.

Harry peered around the classroom intently to see if anyone had noticed that a first year was present in a sixth year class. Apparently no one did.

"Still looking for reactions Harry?" Mark asked quietly as he tended to his potion. "No one will notice, even if you tell them."

Giving up, Harry turned his attention back to his unfinished potion. "I don't know how you like potions so much. Personally, I can't take this."

Mark snorted in laughter. "Well, the only reason you don't like potions is because of the teacher Harry. Snape is an excellent potions master."

Harry looked at him in horror. "How can you-?"

"But," Mark cut in. "He is a horrible teacher. If this class were taught by a nicer teacher, I would believe that you would excel wonderfully in potions."

Harry exhaled. "Fat chance that's going to happen," he said grumpily. He turned around and jumped in shock. Next to him, sat an ancient old man with so many wrinkles he looked shriveled up. His white hair was so long that it bunched up from his head down to the floor in a humongous pile that covered half the. His beard covered the other half. None of the students or Snape himself noticed the hair that covered them.

"What the…?" Harry sputtered.

The wizened old man smiled. "What? Don't you recognize me?"

Harry's eyes widened. "Mark? But why did you change into this form?"

"To prove a point," said the very old Mark. "You see, you said that Snape being nice was virtually an impossibility. Well, look at me. This would be what I look like if I actually lived out my life with aging."

"What's your point?"

"Harry, I've seen many things in my life. I've also done many things in my life," Mark explained. Abruptly, he sneezed. "Stupid beard. Anyway, my point is that Snape will not always be the," he paused for emphasis. "Nasty git he is now. In time, he will change. All he needs is the proper motivation." He sneezed again. "Bloody beard!"

Turning back to his eleven-year-old form, Mark spoke again. "Much better. Even if I were to make him nice now, it would seem very awkward. I mean seriously, a polite and civil Snape?"

Harry shuddered at the image. "I can't even imagine." Looking away to Snape, he realized that the entire class was unaware of their conversation taking place.

"Privacy charm?" he asked, gesturing to the classroom.

"An illusion," Mark corrected. "To others, we would look and sound just normal."

Harry shook his head. "I have got to learn that."

Mark raised his eyebrow at him. "Why bother? Just consult your key. In fact, it would appear that you haven't spoken to it in a while."

Harry glanced at the key written on his wrist. "Well, I haven't had much use for it these days. I always seem to do everything correctly without its help."

Mark burst out laughing so loudly that Harry was afraid that the sound would breach the illusion. Fortunately, it didn't.

"Without its help?" Mark asked in disbelief. "Harry, are you aware of what it had told you?"

Confused, Harry shook his head.

"Harry, the key had stated that it would help you with anything that you may be doing. Mostly, it assisted you in magic. You were unaware because it passively planted information within your mind. Think about a subject, it restores the memory to a new condition, or create more information to fill the gaps," explained Mark. "It cannot however, give you information that you do no know at all. All it can do is give you what is stored within itself, much like the spells that you used at the train station."

"So those spells were already known to the key?"

"Yes."

Abruptly, Snape spoke up just a minute to the bell. "If you are done, fill up a vial of you potion and bring it here."

Harry whirled to his potion. It was still incomplete. "Oh no. I didn't finish this." He looked towards Mark for help. Laughing, Mark passed his hand over his cauldron and it instantly filled up with the completed potion. "It's done in your technique, so Snape would be unaware that it was conjured."

Harry smiled gratefully and filled a vial full of the potion, then placed it on Snape's desk.

"I don't suppose you'll want to real-time the day?" Mark offered as they headed toward the North Tower.

"What do you mean?" asked Harry.

"I can take over your mind like I did before and have you take the remainder of the classes with me guiding you."

Harry backed away. "No. I don't want you to do any more things like that. I've had quite enough of people controlling me."

Mark raised his hands in defeat. "Alright then. You now have two hours of Divination and an additional two in History of Magic. Are you sure you don't want to consider?"

The thought of Trelawney dramatically predicting his death and a droning Professor Binns shook him. "You promise that you will not do anything else?" Harry asked slowly.

Mark took his right fist and placed it over his heart. "You have an Avatar's Seal on that." A golden light enveloped him and Harry for a few seconds. "From herby on, I cannot guide you other than the way you request. Not even Tersan can override this. He would have to kill me and make another avatar to do that."

"Okay then," said Harry. "Do it."

Mark pointed his wand at Harry, waved it, and Harry found himself standing next to the lake.

"How much time has it been?" asked Harry.

Mark glanced at the setting sun directly, then at the stars. "About eight hours."

"How do you look at the sun like that?"

Mark opened his mouth, then closed it. Harry came to the same conclusion as he did and pursued the matter no further.

"What of Voldemort?" Harry asked. "Has he attacked Hogsmeade yet?"

"Not yet. Tersan is waiting for us." He held out his hand to Harry. "Take it. We'll go straight to Hogsmeade."

Harry grasped the offered hand. The space around him surged past him in a blur as though he was traveling at an incredible high speed. Only the place directly in front of him remained partially clear, which zoomed toward him at an alarming speed. Just as soon as it started, it stopped. Harry could see Tersan standing next to the Three Broomsticks waiting impatiently.

"Yes Harry," said Mark. "This is warping. It consists of bending space. Hence, warping."

Pointing at Tersan, Harry inquired, "Can he see us?"

"Not normally. He can if he wanted to," replied Mark. "All we need to do now is step toward him."

Harry walked forward and felt a strange sensation, as though he was trying to cross a large gap. As soon as his foot hit the ground, the space snapped back in place soundlessly.

"You're finally here," Tersan called out without turning around. "He'll be here in a few minutes. I can feel his power. First time warping Harry?"

Tersan turned around and Harry answered, "Yeah. It was quite amazing. Can you teach it to me?"

Mark tapped him on the shoulder. "It would take too long to teach since it would take several years for you to master your magic and several more to master bending space. It would be much easier to transfer the knowledge to you."

"Can you do it now?" Harry asked, trying to keep the eagerness out of his voice.

Tersan and Mark suddenly stiffened. "Voldemort is here," said Tersan with a smirk. "Ugh. I hate waiting."

Voldemort had indeed arrived. Knowing very little about subtly he marched in with his army of Death Eaters proudly, causing people to run away screaming. Harry had expected Dementors to accompany him, but there were none in sight. Seeing the Death Eaters attack the helpless witches and wizards, Harry felt a surge of blazing fury and pulled out his wand.

"Wait!" Mark called out. Harry paused. "What?"

"I'll help, though there is not much need," replied Mark. "The moment Tersan engages Voldemort in combat, all fighting will stop. If I'm not mistake, there goes Tersan."

Tersan was walking straight out toward Voldemort.

"Want to join him?" asked Mark.

Harry nodded and ran off with Mark toward Tersan.

"What are you doing?" Tersan asked sternly as Harry caught up.

"Helping," Harry said breathlessly.

Tersan grunted. "Well, you can't help me directly, but you can go protect the villagers."

Harry nodded and ran off. He released a series of curses that instantly stunned and bound several Death Eaters.

"We meet again Potter," a cold voice said from behind him.

Harry turned around, his emotions securely controlled. "Good day Malfoy. Have you yet to understand that you cannot defeat me?"

Lucius Malfoy laughed. "Perhaps not defeat you, but to contain you is enough."

As he spoke, over twenty Death Eaters surrounded him, all wands raised and pointed toward him.

"Any sudden moves Potter," Malfoy warned. "And we will kill you."

"How about me?"

Malfoy didn't even have time to turn around as he was blasted forward into the crowd of robed figures. From where he used to stand, Mark stood there, his dark metal wand drawn.

"Well, it's about time," Harry grumbled. "Let's get them!"

Mark smiled as he flicked his wand, causing the circle of Death Eaters to fly back several feet in a tangled heap. A few curses flew toward his direction and he batted them away with his wand.

"Want to fight more challenging opponents?" Mark asked.

Harry smiled and nodded. Mark charged outside and blew apart another Death Eater as he ran down the street. Slowly, the Death Eaters became aware of two kids that were taking them down like they were nothing.

"Crucio!" a cold female voice shrieked. Harry leapt to the side and faced the caster. The curse flew harmlessly past him and blew a hole in a nearby store.

"Hi Trixie!" Harry taunted. Bellatrix hissed and sent another curse toward him. This time, Harry simply sent it back.

"NEVER CALL ME THAT!" Bellatrix screamed. She waved her wand, creating a line of fire that traced Harry wherever he moved. Harry ran around for a few seconds before leaping toward Bellatrix. Confused, she ducked, and was hit by her own curse. Yelping, she shouted out the counter curse and quickly put out the flames on her robes.

A violent jolt shook the ground, throwing Harry to the ground. Everyone paused, searching for the source of the explosion.

"Ah, they have finally started," Mark muttered. He eyes seemed clouded.

"Tersan and Voldemort? I have got to see this."

Mark smiled cruelly, startling Harry. "Yes. It is time to see what the famed Voldemort is capable of."

"Do not speak of the Dark Lord's name!" Bellatrix screeched. She raised her wand to throw a curse, but Mark was much faster. He turned around and pointed his wand at her.

"Exanimo!" he hissed. Harry had never seen such a spell, and would never desire to see it used again. Bellatrix started screaming and thrashing on the ground. A golden light started to flow from her body and into Mark's wand. Slowly, the female Death Eater started to gasp and choke as her life force was sucked away. Her skin tore all over her body, releasing torrents of blood. Harry could only watch in dread as the final step of the spell took place. With a final scream of agonizing pain, Bellatrix's soul left her mouth and into the black wand.

Mark turned to Harry with an expression filled with sorrow. "I'm sorry that you had to see that Harry. The life force acquisition curse is the most painful and sad way to die. I killed her in this fashion to make her suffer for all the crimes that she has committed."

Harry however, felt no sadness or remorse for her. Instead, he felt a strange level of peace. "It's alright Mark. I would have killed her myself anyway."

Without warning, the sky started moving in the form of a whirlpool. Harry whipped his head, astonished.

"What is that?" Harry asked in alarm.

Mark took one look at the sky and screamed, "DON'T LOOK AT IT! GET DOWN!"

Harry barely had time to react before the most destructive power ever used by any magical entity came into existence…

Tersan walked straight forward to Voldemort, knocking aside any Death Eaters that happened to cross his path. One courageous Death Eater stood in front of him and sent a killing curse in his direction. Without hesitation, Tersan flicked his hand at the spell, bending space itself and redirected it straight back. The Death Eater could only watch in astonishment as his own curse headed back toward him, killing him.

Voldemort was standing in the middle of the street, giving off a cold high-pitched laughter. Tersan watched him for a few seconds and approached him.

"Well, well. A little boy is going to challenge the Dark Lord," a nearby Death Eater mocked him. Tersan ignored him and shouted, "Lord Voldemort! I wish to gauge your power. Do you accept?"

Voldemort looked at him with narrow red slit eyes and laughed. "I don't have time for this. Kill the boy!"

Death Eaters snapped to attention and raised their wands.

"Perhaps you require a demonstration of my seriousness," Tersan suggested. He raised his hand and flicked it at the Death Eaters, like he would do to an annoying fly. Soundlessly, all the surrounding robed figures, with the exception of Voldemort, flew back several meters. Voldemort's eyes widened slightly. Slowly, he drew his wand and raised it at Tersan.

"Perhaps you will be a bit of a challenge," Voldemort drawled. "Or maybe not. Avada Kedavra!"

Tersan simply sidestepped the spell easily, given the distance between the two. He drew a silver wand and responded with one of his own. "Glacio!"

A blue jet of freezing energy shot forward, creating a mist of ice particles along its path. Voldemort raised a shield, only to be encased in a thick sphere of ice. With a blinding flash of light, Voldemort shattered the ice and threw curse after curse toward Tersan, who deflected them with ease.

"Very nice!" Tersan praised. "I am going to enjoy this!"

Voldemort though, was not. He was trying to figure out how this pint-sized kid was not only able to defend himself against him, but smile as he attacked him. Not even Dumbledore could do that with such ease.

"Who are you?" Voldemort demanded. Tersan simply smiled and hurled a fireball at him. Voldemort barely dodged this and sent another killing curse at him. Tersan laughed again and dodged it, returning another in the process.

"Is this all the famed Dark Lord can do?" he taunted. "If so, I believe that even a Hogwarts seventh year can defeat him."

Another jet of green light headed toward him. Tersan smirked and warped away, appearing behind Voldemort. Flicking his wand, he cast the same one that Harry had at the platform. Caught unaware, Voldemort was blown up high into the air. Tersan stepped toward Voldemort as he landed and was hit with a purple beam of light.

Grunting, Tersan shook off the spell and leveled his wand at Voldemort. "Well, that was unexpected. I'll have to be more careful next time." He raised his wand to point straight up in the air, then brought it down very fast. A thin beam of white light shot from the sky and struck the ground in front of him, disintegrating the ground. Tersan gave the beam a very gentle tap of his wand, and it headed toward Voldemort rapidly. Voldemort conjured the same silver shield he had used in the Department of Mysteries to block Dumbledore's spell.

Raising the shield above his head, Voldemort was startled by the force behind the spell when it made contact, generating a low ringing sound that gradually increased in volume and force. Unfortunately, as long as he was in that position, he was vulnerable to attack. Tersan didn't waste any time and flicked his wand. A ripple of golden light shot from the ground. Voldemort conjured a ripple of black light in response, canceling the spell.

Suddenly, Tersan had an inspiration. "Hey Tom!" Tersan used Voldemort's real name. "Do you know why your surname is Riddle?"

Voldemort snarled and sent a black orb of crackling energy at Tersan in response.

"Because you're a joke!" Tersan laughed in a sinister way.

"Avada Kedavra!"

Tersan was caught unaware and the killing curse struck him. He glowed green for a few seconds, and fell down.

Voldemort gave a cold high-pitched laugh. "You are no match for the Dark Lord. It doesn't matter what you are capable of anymore. You are now, dead." He gave another cold laugh. As he turned around to leave, Tersan stirred.

"I'm not dead Voldemort," he groaned. Voldemort whirled around in shock.

"How can you still be alive?" Voldemort hissed.

Tersan gave him a weak smile. "Well, one other person has survived, but also nearly killed you in the process. How much of a shock is one other that survives it?"

Voldemort narrowed his eyes. "Quite a bit. But now, it doesn't matter. If I can't kill Potter directly, I will start by killing his friends, slowly. Soon, he will fall so deeply into despair that he will beg me to kill him!"

Tersan stood up, fury lining his face. "You are dishonorable. It doesn't matter now. You have just lost a very powerful ally."

Confused, Voldemort hurled a black orb of fire at Tersan. "I don't care what I have lost from you boy! Your gifts are of no concern to me."

Tersan's eyes flashed. "We shall see!"

His eyes flared white and lightning started to crackle around him. The black orb disappeared in a puff as the bolts around him intensified. Suddenly, Tersan gave a cackle of laughter. The coldness behind the sound caused even Voldemort to falter.

Tersan started levitating in the air until he was level with the roof of the houses next to him. He lifted his hands straight above his head and whispered, "Aetherius Fulgor."

The clouds and sky above him started to rotate in a swirl. A bolt of lightning erupted from Tersan's hands to the center of the sky whirlpool. The vortex opened, exposing an infinitely deep spinning tunnel with a light brighter than the sun shining from the end. There was a faint impression that there was a great presence watching from the source of the light. Voldemort could only watch in absolute shock as beams of light started to rotate faster and faster. With an explosive clap, a beam of bluish white light with the diameter of half a mile shot from the end of the vortex down toward Voldemort.

Voldemort knew that if the blast struck, he would perish, prophecy or no prophecy. Forced to use the most powerful and darkest spells that he was capable of performing, he raised his wand toward the colossal phenomenon, he screamed out the most devastating dark curse that was used only once by the founder of evil.

"ATRA ACCENDO!"

A massive dark cloud of pure black fire erupted forth from his wand like an erupting volcano headed toward the end of the blast. The moment the two phenomenal powers collided, there was a majestic explosion. Never before has any witch or wizard seen such a display of power, not even from Dumbledore himself.

Thunder of the Heavens and Dark Fire, the two greatest powers the world has ever seen since the time of Merlin, collided. There was no force, but everyone in a two hundred mile radius was knocked flat. Space fractured, sunlight warped, and matter broke.

Hogsmeade was no more; a crater now took its place. As the two forces pushed against one another, neither relenting, the world around them slowly broke. It seemed to last forever, and in a sense it did, but it finally ended. Voldemort collapsed down in exhaustion as well as Tersan.

Both lay gasping for air as the sky stilled and flames settled. Slowly, Tersan stood up.

"Well, that was fun," said Tersan, all traces of exhaustion gone from his voice. "Shall we continue?" As he spoke, a white sheen of energy started surrounding his body.

Voldemort raised his head to look at the boy in utter shock. He couldn't believe it. His own power was virtually depleted while the strange boy's had returned to normal.

"What's wrong? Tired?" teased Tersan. "Or are you just too weak to fight?"

For once in his lifetime, Voldemort found himself unable to respond. He had lost too much power. Tersan watched him with a disappointed expression.

"You know," Tersan informed him. "I had actually considered joining you. If you had been honorable, you would have had my allegiance."

Feeling a little of his strength return, Voldemort stood up in an uneasy position. "Perhaps I made a mistake."

Tersan gave him a calculating look. "You have not made any mere mistake. You have broken the laws of combat, and even threatened to use foul methods to accomplish your deeds."

Voldemort finally realized what Tersan had been trying to do. He was trying to see if he was worth joining. Apparently, he had been seen unworthy.

"No," he whispered softly. Tersan nodded. "You see now. I am joining Harry Potter in his war against you. Be careful now."

Voldemort stood there for a moment, carefully inspecting his surroundings. Tersan was only a few meters away from him. Slowly, he pointed his wand at Tersan without lifting it up. "I certainly will be. I will return, and this time, you will not be able to stop me."

Narrowing his eyes, Tersan replied, "There is nothing that I cannot stop, and there is nothing that will ever be unstoppable to me." As he spoke, he didn't notice that Voldemort was muttering a spell until he saw the flash of green light. At that distance, it was impossible to dodge the spell. The only thing he could do was either take the blast or deflect it.

Voldemort watched with relish as Tersan stood there, watching the spell head toward him. He knew that nothing could stop the killing curse, with the exception of Potter, or so he had thought. A split second before the spell reached him, Tersan raised his wand with blinding speed over his head with its tip pointed toward the spell.

"Tegere!"

Shards of clear material that looked like glass flew into place over him, constructing a crystal dome with thousands of facets. The killing curse splashed into the barrier and shattered into smaller beams that broke down even smaller until none were visible.

"N-no, t-that's not possible!" Voldemort gasped.

Tersan slowly lowered his wand, causing the crystalline shield to break apart. "I have told you. There is nothing that I cannot stop."

"How did you block the killing curse? There is no known spell that can do that!"

"Perhaps it is an unknown spell." Tersan locked his eyes on the snake-like being.

Voldemort slowly backed away. "You are going to kill me now?"

"No. That is up to Harry to do. Leave now, you don't want to face Dumbledore in this condition."

"Why are you giving me advice?" asked Voldemort.

Tersan shook his head. "I'm not. Ever since you struck me with the killing curse, you have helped me restore certain lost memories. I owe you that much."

"What memories?"

"That, is none of your concern Voldemort. Until next time."

Voldemort glared at him. "Until next time," he agreed.

Tersan nodded and Voldemort Apparated away. He remained standing there for a few minutes until he felt the presence of his avatar return. Without turning around, he said aloud, "Is Harry alright?"

"Yes, I am," Harry responded from behind him. Tersan finally turned around and looked at Harry straight in the eye.

"I've made my decision."

"What is your choice?" Harry asked, dreading the worst.

Tersan broke into a smile. "I'm joining you Harry. Not Voldemort."

Harry's face broke out a broad smile. "Thanks Tersan. I knew I could count on you."

"You didn't know, Harry," Tersan said softly. The look on his face wiped Harry's smile off. "But nevertheless, I didn't join him. Somehow, I feel like I have made a decision that will change the course of my life."

Mark breathed a sigh of relief. "Well, at least you are still on our side. We now know that Harry is going to win the war."

Tersan started smiling, then broke down in a full-blown laugh. "You know, this is the strangest war that I have ever fought."

"What do you mean?" Harry asked.

"A prophesized war, that is. I've only fought in wars that were based in rivalries. Never before have I participated in such a kind," Tersan explained.

As they headed out of the crater, Harry muttered under his breath, "Well, there's always a first time."