Because Mata Nui left Toa eventualy become extinct and become legends. The future matoran and agori build "Heros" based on the legends of the toa.
One day a future matoran named Von Nebula, who is exploring the ruins of the MU finds the Antidermis pool where Makuta were made,he touches it and is corrupted and mutated by it. He learns of Teridax's plan and of his defeat and vows revenge against the decedents of the matoran.
Not really, but it would be cool.
Also,
Inspired by this
"Aru tokoro ni, chiisa na yume ga arimashita. Dare ga mita no ka wakaranai,
sore wa chiisa na yume deshita. Chiisa na yume wa omoimashita.
Kono mama kiete iku no wa iya da.
Dousureba, hito ni boku o mite moraeru darou.
chiisa na yume wa kangaete kangaete, soshite tsui ni omoitsukimashita.
Ningen o jibun no naka ni mayoikomasete, sekai o tsukurasereba ii to."
"Somewhere, there was a tiny dream. Such a tiny dream it was,
No one knew who had dreamt it. The tiny dream began to think.
Lots of snow, 8 Inches right now and more to come. It's supposed to snow until early tomorrow morning and then freeze, so we might not have school tomorrow.
» Click to show Spoiler - click again to hide... «OMG Locke=Smoke Monster
The Temple
Ash rings ward of the Monster
The Bomb worked... Kinda...
Disappearing Desmond
B)
