Simon rocking the shit out of that eel!!! Also, for people drawing/writing tree!Simon stuff, it does seem like it has networked to the side of a trench wall and webbed through it.
Yeah, no, that's definitely just a tree. I was going for something a little more fleshy, like maybe a basket starfish/vine shape, but that is, indeed and confirmed, a whole ass tree, trunk and everything.
Full VFX breakdown under the cut.











