Chapter 3, I'm honestly running out of ideas. So if you have a few ideas or don't want the story to end, just let me know! ;) I'll try to post a new chapter every other Wed. This update will be for September 12, so around the 26th is the next update.

Pidge

Lana flipped the guy over her and he landed on his back with a crunching sound. A while ago she'd turned on her video cam, recording everything. Then Lana dropped and did something that looked like she was dancing. A collum of darkness hit the guy and he fell. Pidge moved closer, still being silent.
"Heh, I found you," the guy said, "the last Shadowbender."
He said it triumphantly like he'd be looking for her for a while.
"Seriously? I beat warlords, Earthbenders, Firebenders, and they send you?!" Lana laughed.
The guy frowned, "Wha-"
He didn't get a chance to finish, Lana already had a strong stance, feet shoulder width apart, but now she widened her stance by pushing her foot into the ground and at the same time, she punched her fist towards the guy. A beam of shadows was sent straight at the guy's face, but he ducked. He turned his head to watch the beam hit a building.
As he turned back to the fight a foot him in the head. While he was distracted, Lana had gotten up close and kicked him.
"You gotta be faster than that, Shizack."
The guy, Shizack, wiped his mouth.
"I will be."
Shizack darted forward, but Lana stood her ground. She threw out her hand, almost like she was telling him to stop, and a wall of shadows exploded in his face.
He darted forward, so fast Lana couldn't do anything. He only got a few hits in on her midsection, but he made them count. Lana dashed for the opposite side of the circle and tried to bend, but nothing happened.
"Say goodbye to your bending," Shizack grinned.
"Goodbye," Lana growled.
They attacked each other, fighting fiercer than before. They clashed and fought, fist to fist. This went on for a few minutes, tiring them both out. Now they were on opposite sides of the circle. Lana took the chopstick looking things from her bun and peeled off the outside shell, revealing a knife hidden inside. She threw the knife, it hit Shizack in the stomach. He doubled over. Lana didn't waste time, she did the same move she had earlier when they were fighting and a bubble formed around him.
"What was that?" Shizack was so quiet, Pidge almost didn't hear him.
"I've hidden from the Fire Nation since I was six and I didn't do it by announcing I was a bender. I know how to defend myself from people," Lana snapped.
"But some of your moves were Waterbending," Shizack panted.
"Shadowbending is a mix of elements that give off darkness, Water and Earth. Lightbending is the opposite, Air and Fire. Of course, we made up our own moves too. Don't forget I travel with the Avatar and his "teachers." I pick up a few things."
Minutes passed of awkward silence.
"So what are you gonna do now? Let me go?"
"No," Lana spit, "I can't take that chance."

Lana

She knew where she had to take him. It wasn't a happy place. Lana picked out the bubble that held Shizack with her bending. Her left hand was in a slice position and her right arm was mimicking throwing a ball. Over her head Shizack called her all kind of creative name, she ignored him like she'd ignored the others. Maybe if she ignored him long enough Earth Kingdom would kill him. That put a bounce in her step as she walked towards the cliff. When she reached the edge of the town, she was facing the cliff. Lana breathed in and out, in through her nose and a silent release from her mouth. She calmed herself, preparing for the biggest Shadowbending she'd ever done.
"What are we doing here?" Shizack interrupted her ritual.
She glared at him with her back still turned. She closed her eyes and breathed out again. Her hands rested in fists in front of her hips. Her left arm moved up until it was level with her shoulder. Her right arm circled around her head, palm facing her hair, something she'd seen Aang do. When her right arm got to where her left arm was, they switched. Her right palm was facing the cliff and her left palm was facing her hair. It took a few rotations, but soon she felt the shadows of the cliff and around her move. It was the first time she'd tried manipulating shadows IN rock AND around her. A hole opened in the cliff face, the shadows were squishing the rock so she could fit the bubble in. Her plan was simple: put Firebender in an indestructible bubble in unmeltable rock and leave him to starve. So far it was working, but that could change in an instant. The bubble glided into the hole and it closed up. Lana looked down at herself and realized she was glowing, a soft moonlight kind of glow. She collapsed.

Zuko

It wasn't like Lana to be late, usually, she beat him and was meditating or, more likely, practicing. His eyes darted to a splatter of blood and the shell of her knife. His mind ran through possibilities from Lana practicing with her knife and injuring herself to Lana being kidnapped. Something caught his eye, a small glow near the edge of town. He ran towards it, remembering that Lana could make stuff glow. He ran hard and reached the cliff just as a hole closed in the cliff. Lana looked down at her hands, then collapsed. Zuko ran towards her, catching her head just before it hit the ground. He cradled her head for a while, waiting for her to wake up. He looked at the cliff, there was only a dark crack to show where the rock had closed up. After a few more minutes of just sitting, Zuko carried Lana back to the platform. He gently set her down and waited. She was so different when she was asleep when she as awake she was serious. Even unconscious her slight smile had more than a tinge of sadness. Her face was relaxed, instead of controlled and calm. No fake smiles, no real smiles either. Not unless you counted the time that he'd made her laugh when he was practicing his speech to the Gaang, she'd said her name was Kai and helped him out. So, of course, he was surprised to see "Kai" when he contacted the Gaang.
"Why are you just staring at my face?" Zuko jumped a little when he realized Lana was staring at him.
"Because I was wondering if you were dead," Zuko said.
She laughed quietly, "Thanks for bringing me back over here."
"What were you doing by the cliff anyway?"
"I had to deal with someone," Lana sighed.
"One of the paladins? I knew we couldn't trust them!" Zuko frowned.
"No, someone else. Fire Nation, he was alone. I tested the shadows all over town," Lana whispered.
"Are you okay?" Zuko asked, checking her arms for injuries.
"Besides the burns, I got from Lance, I'm fine."
"Do you think we should rewrap them?" Zuko wondered.
"Probably," Lana sighed, "sorry, I won't be at full capacity for lessons tonight."
Zuko gave her a small smile, "It's okay, your health is more important than lessons."
Lana looked away, Zuko was pretty sure she was blushing, but he couldn't be sure. He rewrapped the bandage on her arm and she did the one on her leg.
"Do you still want to have a lesson?" Lana asked, "we could just walk around and work on small stuff like maintaining heat."
"Let's just walk around," Zuko suggested.
"Good idea."

Like I said, I have no idea where this is going. If you have an idea, please let me know. I will try to use all of the ideas that people suggest. Hope you enjoyed the chapter!