Talk:Chara/@comment-82.40.130.37-20151107003522/@comment-93.9.150.168-20151107131217

My guess is that it's your choice to destroy the monster world, and then at the end Chara takes control to "finish the job". Flowey warned you about that when you restarted after the True Pacifist, saying you're (to the player, not Frisk!) the last danger of this world, possessing the power of destroying it (aka True Reset).

And then, because like Flowey did, you wanted to get more of this world, you started a Genocide Run, split Frisk's mind between Chara and you, and finally Chara got you.

I also think for the original plan of Chara and Asriel to break the barrier, that Chara tricked Asriel to think they should all reunite in the upper world, while in fact hoping the destroy humanity with that power.