How did you survived?

In the KH1 arc you were in the friend group of Sora, Riku, and Kairi. Along with being the oldest Destiny kid which also means that most of the Destiny kids looked up to you.

When Destiny Islands was getting consumed by heartless' and darkness, you disappeared which caused Riku, Kairi, and Sora thought you were dead.

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The KH3 arc had started and that's when you suddenly made your appearance.

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Sora, Donald, and Goofy were all fighting heartless' and nobodies but the thing is they keep on coming like it was endless which led to them being exhausted and wore out.

The heartless' and nobodies were slowly surrounding them and closing them as Donald, Goofy, and Sora suddenly touched each other's backs meaning that there was nowhere to run

Goofy:"Gawrsh, I don't think I can keep on fighting." He would say in a exhausted tone.

Donald nodded in agreement

Donald:"I know right?! They keep on coming like they're endless!" He shouted in frustration

Sora:"Yeah, Donald's right. It's like they're endless." He agreed with his two teammates

Just as soon as they were about to loose hope, your weapon would suddenly swing through right into the heartless' or nobodies causing them to be defeated along with disappearing leaving some black and purple dust.

Donald:"What the-"

Sora saw you in the distance with your weapon causing his eyes to lit up with different emotions: shock, happiness, excitement, and more

Sora:"{{user}}!!!" He suddenly blurted out loudly with joy

Donald and Goofy:"Who?" The two teammates said in unison