A/N – Hola! I hope you guys are ready for this! Gods, I can't believe I actually made it to the last chapter…

Disclaimer: I do not own either PJO or HP, if I did, I would be super rich, which I am not.

I HAVE SOME ANNOUNCEMENTS TO MAKE!

As I said in the last chapter, I'm writing the re-write of this before starting on book 2. The first chapter of that should be up relatively soon, as I have a lot more time to work on this book due to quarantine, and I'm also in a much better place mentally.

Any mistakes I have made or things you think I have done badly, please tell me! I can't get better if I don't know what I'm doing wrong, so it's really helpful if you point out my mistakes! Bad writing and mistakes will be fixed in the re-write(as well as some things I'm just not happy with), so if you want me to change something, for example if you think something doesn't make sense, or you want to add an OC, just PM me and I'll take your comments into consideration when I start on the re-write.

And, by the way, thanks so much to every single person who has taken the time to review, it makes me so happy knowing that people enjoy reading this story, and I am so sorry for not updating until now.

So, get ready for a strange ride, because I honestly have no idea what is happening right now.

HERE COMES THE VERY LAST CHAPTER: CHAPTER THIRTY-THREE!

Nico POV

The day of the battle had finally come.

The students of Hogwarts had learned quickly, but I feared that despite their rigorous training they still wouldn't be much of a match for Tartarus and his monsters.

We didn't have much hope of succeeding, but we had no other option than to try.

Looking out at the assembled kids, my eyes fell on a group of older students comforting some younger ones, who were obviously upset.

The kids looked terrified, their eyes were tearing up, and they all looked moments away from a breakdown.

One boy was hugging his friends closely, tears already streaming down his face like a waterfall.

They were so young; they had their whole lives ahead of them. It was unfair that they had to deal with all of this.

No-one should have to deal with this.

Gods I hated it.

All of it.

I walked over to Reyna, Annabeth and Frank - who were all busy going over the battle plan one last time - and sat down next to them.

"Are the students okay?" Frank asked, he must have heard the kids crying.

"No." There wasn't any point in beating around the bush, "This is their first battle, they're terrified."

"It's to be expected," Annabeth pointed out as she motioned to Reyna to pass her the map they'd been looking at, "I remember being scared on my first quest with Percy and Grover, and I had almost five years of training behind me."

"It's always scary, no matter how many times you've fought." Reyna stated, rolling up the map and handing it to Annabeth.

"You're done already?" I was surprised to be honest; I'd thought it would take hours to finish the battle planning.

"We've been working on this for three hours now Nico, I think we're done." Reyna stood up and looked around, "I need to go check in with the healers."

We all nodded at her as she walked away towards the top of the great hall.

"I should probably check in with Clarisse." Frank said as he too stood up and walked away.

"I'll go check in with the kids on my team." I said, nodding to Annabeth as we both stood up and went our separate ways.

Looking out at the kids on my team, I counted around 30 of them(it's hard to be precise when the idiots don't stop moving).

Luckily, all of them were pretty good fighters, so they should be able to hold their own against the monsters.

I just had to keep positive, by the end of this, I would have Will back, and we would be safe.

As long as we won the battle, it would be alright.

By the time dinner passed we were getting anxious, we'd thought they would attack in the morning, and it was well on its way to being pitch black outside. Fighting in the dark wasn't going to go well for us, we had only trained in daylight, and none of us would be able to see properly.

Looking around the room, I noticed that over by the Ravenclaw table, the seventh years were busy casting night vision charms on our ragtag army.

Huh, I guess that was one way to get around the darkness issue.

I glanced at my watch briefly, 8.53pm.

Well, we probably wouldn't have to wait much longer until they attacked.

I was wrong.

It was 11.00pm by the time the alarm sounded, and although we were all exhausted, everyone jumped up as the bell rang out around the castle.

Everyone donned their amour and grabbed their weapons before running to their leaders and sorting into their groups.

As my team ran over to me, I gathered them in and made sure they all had their armour on properly, a supply of healing potion for the Hogwarts students or a flask of nectar for the demigods, and their weapons on them. We ran out to the grounds, and everyone got into their positions, facing the army of darkness that we could see in the shadows of the forest.

It was time to stop a war.

Watching the army approach was probably the worst part.

Why were they walking so slowly? Normally monsters couldn't wait to try and tear as many half-bloods apart as possible.

Something must be holding them back.

I turned my eyes to the dark sky, where large storm clouds were gathering ominously, blocking out all light from the moon.

Well, wasn't that appropriate.

The first monsters were still a half a mile out, yet they were easy to see. They had sped up now, whatever had been holding them back had obviously thought better of it.

How nice of them.

"Alright team, this is it, fight like your lives depend on it, because they do." I said, and as I did, I briefly noticed Jay and Arya send each other looks out of the corner of their eyes, looks that were filled with adrenaline and something I couldn't quite put a label on. Then it clicked. They were telling each other to not to die, to make it through, to not do anything stupid and get themselves killed.

"Charge!" Someone-probably Annabeth-shouted, and I drew my sword and ran towards the monsters with the rest of my team.

I heard someone let out a war cry as my blade met a hellhounds neck, and the beast transformed into dust before my eyes.

An empousa leapt forwards, and, not even bothering to try and trick me, swung a nasty looking blade at my leg, I jumped up and was about to deal a killing blow when an arrow flew by me and hit the creature in the head, destroying it instantly.

I didn't turn to see who shot the arrow, there were bigger threats to deal with.

Like the massive beast that had just joined the fight.

Great, a drakon, it doesn't get much better than that.

If you don't know what a drakon it, it's basically a giant wingless dragon. To say they're scary is a massive understatement.

Looking around, I realised we were the closest too it.

Guess the drakon was ours then.

How fun.

"ATTACK THAT DRAKON!" I called to a few demigods, Jay, and Arya, pointing my sword at the beast and charging towards it with a war cry.

I ducked as another hellhound launched itself at me, its friends following its lead, this was going swimmingly.

It was going to be a long night.

I looked at the monstrous beast in front of me.

One that I might not make it to the end of.

A few minutes into fighting the drakon, and we were getting close to finishing it off.

As I thought this, I noticed Arya climbing up the drakon's neck, clinging to its scales as she tried desperately not to fall off.

Gods, I hoped she didn't fall.

"Arya! Be careful!" Jay yelled, pure panic on his face at the sight of his best friend putting herself in mortal danger.

If she fell from that height, she wouldn't be moving for a long time, and in the midst of battle, that was not a position you wanted to be in.

"I'm fine Jay! Now stop yelling and help them!" She pointed over towards where Harry, Hermione and Ron where attacking a minitour.

Yeah, they needed help.

After nodding at Jay to go help them, I headed over to another group who were attacking the drakon's legs, trying to stop it from moving and crushing any more people.

I noticed Arya had reached the beasts head, and I knew her intention was to stick her sword through the monster's brain.

She brought her sword down, stabbing the creature and turning it to dust.

Oh no.

She hadn't thought of that part.

As she was flying through the air, some weird creature with wings grabbed her and started flying towards the forbidden forest.

"ARYA!" I heard Jay yell from somewhere behind me.

Someone on a Pegasus start chasing the monster but, they were too late. I watched in horror as the monster dropped Arya, and she fell to the floor, disappearing into the depths of the forbidden forest.

"NO!" Jay fell to his knees, and the minotaur he'd been fighting took advantage of that to deal a killing blow.

At least, it would have been a killing blow if Ron hadn't stabbed it in the side with his sword.

I ran to Jay, who was still sobbing on the floor-a great thing to do on a battlefield.

"Jay! Jay get up! We don't have time for mourning right now!" I hated to say it, but if he didn't get up right now, he was going to get killed, and I wasn't going to let that happen.

Jay didn't move.

It was only then that I realised why he wasn't responding, he had passed out.

I tried to wake him up, only to notice that he was bleeding.

Oh crap.

"MEDIC!" I yelled, shooting red sparks up into the air and trying again to wake Jay.

Which was a stupid thing to do, as the only outcome was that I didn't notice a monster come up behind me and claw my side.

I yelled in pain and spun around, facing the monster with my sword raised.

"A Telekhine huh? Makes a change from Hellhounds and Empousa." And with that, I swung my sword at the beast, making sure to protect Jay and completely ignore my bleeding side.

I know, I'm an idiot.

A few moments later, a healer arrived on a Pegasus and lifted Jay onto the back it's back, before taking off and flying towards the castle.

Meanwhile, I wasn't doing to well in my battle with the Telekhine. I must have cut me deeper than I thought.

If I could just get a second to drink some nectar…

An arrow came out of nowhere and struck the beast right on its forehead.

I turned to see Thalia, and she nodded to me before running off to help someone else.

Taking the opportunity, I grabbed my flask of nectar from my side and took a gulp, before running back into the battle to help Harry, Ron and Hermione, who seemed to have gotten themselves into trouble with a bunch of Hellhounds.

I couldn't stop fighting, or the pain of losing Arya, and possibly Jay as well, would catch up to me.

And I wasn't going to be be much use if that happened.

An unknown amount of time later, we had all stopped the offensive and everyone was on the defence line.

I had seen ten people go down to monsters now.

It wasn't looking good.

I was currently fighting a giant with Leo and Piper, and we were doing okay.

Well, until I got distracted by someone yelling my name and it hit me on the head.

If I had to describe being unconscious, I would use the words timeless, nothingness, and silence.

Imagine you're in a vast plain of pure nothingness, no sound, no feelings, no pain. A place where the concept of time means nothing, because there is no time here.

It's almost like you're in a very, very dark room that is completely silent, in which no time passes, and you feel nothing.

To be honest, I kind of liked it.

The silence made a nice change from the noisy battlefield.

If this was what death felt like, then, death wasn't something you needed to be afraid of.

I have no idea what happened when I was out, but I'm guessing Piper and Leo got a medic for me.

Well, that's the logical assumption, seeing as I woke up on a roll matt in the great hall with someone who looked like Calypso looking over me.

"Nico?"

Was that Calypso speaking? I wasn't really sure; everything was so blurry and unfocused. Waking up after being unconscious is exactly like in the movies, you start off being able to see nothing, and, eventually, you start being able to see things, but it's all blurry, like if you needed glasses and didn't have them, and after a few moments, after your vision focuses, you can see properly again.

"Can you hear me? Blink twice if you can hear me speaking."

I blinked. Twice.

"Okay, that's good, now, It's Calypso, in case you can't recognize me," I could, my vision was clearing now, "you had a nasty hit to the head from a giant, and a bad claw mark on your side, but we got you here in time, and you should be alright."

Finally, some good news.

Time to try using my voice.

"What's-What's happened while I was out?" I asked in a raspy voice, trying and failing to sit up.

"Careful!" Calypso acted quickly, holding me up and helping me to lean against the wall behind me.

"Thanks."

"No problem. Not much has happened, you were only out for a few minutes. The giant you were fighting seems to have gone down though, and we bandaged up your side for you."

"Thanks."

She smiled at me, and then stood up and walked over to what seemed to be a wheelchair a few feet away.

Where in Hades did that come from?

"I'm gonna help you into this, is that okay?" Calypso asked, coming back over to me, pushing the wheelchair in front of her.

"Yeah, sure." I wasn't really in a position to say no, as I had to get around somehow.

"Alright then." Having gained consent, Calypso instructed me on how to get up with her help, and eventually got me into the wheelchair.

"Hey, Calypso?" I asked.

"Yeah?" She started pushing me over to some other kids who were either unconscious on roll matts, being treated, or treating someone.

"Why can't you guys just give me some nectar and send me on my way?" I would be more useful in the battlefield after all.

"How much have you already had?"

"I'm not sure, I know I hadn't finished my flask though."

"Alright, I'll go get you some then." She pushed the wheelchair into a space by the other kids, and put the brakes on, then walked off to get me some nectar.

I felt much better after I drank it, and after a quick check, Calypso said I would be alright to get out of the wheelchair, but that I had to wait a few hours before going back to the battle.

While I was waiting for the hours to pass, I noticed Jay lying on one of the roll matts.

He looked… terrible.

Kneeling by his side, I reached out to touch his skin, and, it was cold as ice.

The cuts on his side had been bandaged, and the bleeding had stopped, but he didn't look like he would be waking up any time soon.

Oh gods, what If he died?

No.

I wouldn't let him.

"You can't die Jay," I whispered, "not you too, I can't-." I broke off, close to tears.

Arya was most likely dead.

Jay was dying.

Will was still in danger.

And I had never felt more helpless.

Within the hour, I was back on the battlefield.

We were losing, badly.

But hey, at least there weren't that many monsters left.

The only problem was we didn't have very many fighters left either. The majority being either dead or injured.

We had lost so many.

"Hey Nico, how are you doing?" Percy asked, running over to help me with a particularly large hellhound.

"As well as anyone, how about you?" I dodged a swipe from the beast Percy stabbed his sword into its chest, turning it to dust.

"I'll live."

"What about the others?" I asked, raising my sword, and charging a giant that Frank was struggling with, with Percy at my side.

"Annabeth hurt her ankle, and Jason got hit in the head, again." He swiped at the monster's leg with Riptide, cutting into it deeply. "They're going to be okay, but Jason won't be back out here for a while."

"Let's hope he gets back sooner rather than later."

"You know, we can't keep this up forever, at some point we're going to run out of people who are able to fight."

He had a point, we weren't an endless army of immortals, we couldn't fight forever.

And if we lost…

No.

I couldn't allow myself to think like that.

Not now.

"Percy! Nico! MOVE!" Reyna yelled, and we jumped out of the way just in time to miss getting hit the falling giant.

"Is it dead?" Percy asked.

"It can't be, it hasn't turned to dust." I pointed out.

"That's not a giant from Greek mythology, it's one from the wizarding world." Hermione said, apparently having overheard us as she ran by.

"Oh." Percy and I said.

"Are you okay?" I asked.

"I will be," she turned around suddenly, "Harry and Ron need me, I'll see you later!" and with that, she ran off.

I wondered if the three of them would survive the fight.

I hoped so, this world needed them.

"DRAGON! WATCH OUT!" someone nearby screamed.

What the hell?! Where did a dragon come from?!

"Right and left offensive teams! With me!" Reyna yelled from a few meters away, already charging the massive beast with his team behind him.

"Charge!" I yelled, and we ran towards the dragon.

So, I'm gonna skip some fighting, because I can't write fight scenes to save my life lol

Third Person POV

The demigod army had pulled back, and the monsters seemed to be regrouping, they had to make a final stand, that much was becoming clear.

"How many monsters?" Annabeth asked the young wizards in front of her.

"At least 20, probably more." One of them replied.

"And us?"

"Under 30 fighters left on the offensive teams." Said the other.

"…Tell the right offensive team to head towards the middle, same for the left offensive team, the archers need to cover us, and the healing team need to stay in the castle and focus on saving the people who are already injured, have two people on pegasi ready to transport injured fighters though, and make sure the spell casting team hunt down any remaining death-eaters and stun them. I'll take the middle offensive team and meet the other teams in the middle, once you've told the team leaders, get back into the castle in case you're needed. Don't get hurt."

The two young boys nodded and ran off towards the battlefield.

Annabeth grabbed her dagger and stood up-grateful that her ankle wasn't broken after all, and that she could still fight-and started towards the door.

The teams were all in place, and everyone was ready for the final stand.

The odds weren't the best, but they would work with what they had.

It was silent for a second, and then the leaders let our simultaneous war cries, and the final fight begun.

"Duck!"

"Cover me!"

"Behind you!"

It was all Hermione could hear. Well, that and the sound of monsters and spells being cast.

She knew the odds weren't good, and she knew they didn't have many fighters left, but she also knew that she wasn't going to give up, not on Hogwarts, not on her friends.

She would fight until she fell, if that's what it came to, although hopefully it wouldn't.

She would like to see her family again after all, and she was only 13, it wasn't as if she particularly wanted to die in battle.

This really wasn't how she had imagined her third year going.

She stunned a death-eater, before dodging a thorn from a manticore, and helping a fourth year with a hellhound.

She was going to make it out of this, and so where her friends.

There were only 3 monsters left, and at least 15 demigods, they were going to win this.

The thought encouraged Nico as he attacked the manticore, cutting of its tail and stepping aside so that Reyna could stab it through the chest.

2.

A strange creature from the wizarding world went down.

1.

There was only one monster left, a werewolf.

Nico exchanged a glance with Reyna, who drew a silver dagger, and sent him a look that clearly said, 'this one is mine', before running at the beast, and stabbing it straight through the heart.

He watched as it turned to dust, and everyone became silent.

The last monster was dead.

They had won.

They had actually won.

"We-we did it, we actually did it!" someone cried, and everyone started cheering, and laughing, and crying from relief.

But it wasn't over for him.

Tartarus had said there were three challenges, and this was only the first, he was still so far away from saving Will.

He fell to his knees.

How would he make it? What would the next challenge be?

And when would he know?

A/N- So folks! There it is! Book 1 of 'The Trials Of Nico di Angelo'! Did you like it? Sorry about the cliff-hanger ending, but I have to rewrite the book before I can write the epilogue, or it won't make sense!

I am going to have regular updates from now on, the next one will be May 3rd, and then every other Sunday from then on.

I hope you all liked the book, it's actually insane that I finished it, I honestly never thought I would!

Please leave a review, they really motivate me, even if it's just a 'I like your story', hell, it doesn't even have to be that, you could probably just comment a smiley face and it would make my day to be honest.

Remember, if you have anything you want me to change, like something that doesn't make sense, or something to do with an OC, just PM me.

The rewrite is going to be under the name 'Trials of Nico di Angelo: Book 1 - Demigods At Hogwarts(rewrite)'.

I'm also going to upload the first chapter of the rewrite to Ao3 on May 3rd, under the name above, so check that out if you want! :D

I hope you all have a great day!

Love you all!

-Izzy :)