a/n: First fic ever!

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"NO! Let me out Unalaq!"

Korra screeched as she tried to tear away the rock from under her prison within the Tree of Time. But Unalaq's golden spiralling water cage, combined with Vaatu's repeated barrages of dark, purple energy made her too weak to break free. Struggling in the background, Kya, Bumi, and Tenzin were tied down with black loops of Vaatu's oily, fibrous webs.

Suddenly, Desna, Eska, Mako, and Bolin burst through the spirit portal. Immediatly, Mako released two fireblasts to free Bumi while the waterbending twins released Tenzin and Kya.

Upon seeing the betrayal of his children, Unalaq released a furious roar. His anger, corrupted by Vaatu's malevolence, purged all consciousness and judgement from his soul. Once again, he roared wrathfully and released waves of violet plasma towards Eska and Desna.

"ESKA!" cried Bolin as he dove and pushed her out of the way. However, he wasn't able to save himself or Desna. As they collapsed in a heap, Eska whipped around and attacked her father, narrowed eyes as cold and sharp as the icicles she shot. Then, Mako, Tenzin, Kya and Bumi threw their effort and elements back into defeating Vaatu and protecting their fallen comrades as well.

Unalaq-Vaatu smirked cruelly as their elements rolled harmlessly off his black skin. As he started shooting plasma again, Tenzin blew all the children out of the way in hopes of protecting them. As the children backed towards the Tree of Time, Vaatu saw an opportunity to break the children's spirit and keep them out of his way once and for all.

Slowly, he herded them into the tree of time with is purple light. At this point, Mako was the only one strong enough to put up any fight, struggling weakly to to protect his friends. This was quickly resolved when Vaatu beamed a violet emission that lit up the whole tree and drained all the children's energy. He then spun a violet cage around to trap them inside forever.

Then, he turned his attention back to Tenzin, Bumi, and Kya. The kids watched helplessly as he sucked their glowing blue life force out of their mouths. First Bumi collapsed, then Kya.

When Vaatu turned his attention to Tenzin, Korra weakly raised her head "Stop uncle, you don't have to do this! You can still be good! You-"

"HA." sneered Vaatu in an inhumane, demonic voice "Why don't you stop me. It is your turn to be imprisoned now, Raava." he laughed, removing the last vapors of Tenzin's life from his gaping mouth.

The grief of losing her mentor kicked Korra into the Avatar state. The tree glowed an ethereal blue and the ground began to shudder. The spirit portals started spinning and a surge of energy cracked the Tree of Time and the surrounding Earth.

Suddenly, the time stopped and everyone froze n silence, before the ground exploded with a blinding flash of white; pieces of spirit-earth flew in every direction, even through the portals, into the physical world.

That was the last that any of the children saw before their world was once again engulfed in darkness.

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a/n: Hope you like it so far. Review!