now why would it be erased? like i said he is still in his own timeline. he killed ganondorf in his own timeline. now if he traveled to a other timeline and he defeated ganondorf, that would mean that ganondorf in his own timeline is still alive.
putting aside TP
your scetch thingy is correct if you believe there is a split timeline.
there was a whole discussion going on in the "Split Timeline" topic.
but personally i don 't believe in the split timeline.
why? well here is a couple of reasons:
if you pay attenetion to the game...