Adventure Time Super Fans Wiki
Crystal Beast.png

The Crystal Guardian is the main antagonist in the episode Tree Trunks. It seems to have a ability to mimic things such as Finn, Jake, and Tree Trunks.


It is a crystal form that is not very smooth on the surface. It has jagged spikes and different levels of its surface. It can change shape and imitate everything that it wants, changing the surface as well.