The Lich is Marceline's mother who fell into the crater of the mushroom war.
If you look at the lich, it has the same hair as Marceline's, only shorter.
It all makes sense now.
Marceline's mother didn't want Marceline to die so she asked Huntson Abadeer to make Marceline a Vampire.
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Cartoon Theories
Mystery / Thriller×Warning: Reading this story may destroy your childhood. Continue reading at your own risk.× We're telling you, once you start noticing this shit, the world becomes a darker place. We really love fan theories, specifically about Disney movies. They...
