after you got the demon in your head, since you adventure hell, you were able to FINALLY get your revenge on the ender dragon since she burn down your village as you get home expecting wither (the demon) to be gone he drops the bomb

Wither: So… I might I have Lied! I just wanted to kill endie. If you want me to get out of your head your going to have to rebuild my body which is going to take awhile… I have a feeling this is going to be long and boring…

Endie: well then I guess I’ll join you…

Wither: Ah Shit…

grate now you have The dragons voice in your head and she is the Ex of Withey… grateeeee…