I feel like the offensive manifestation of the blood class would plasma and magma, since the first is a part of blood, and the second flows like it. I’m a phlebotomy student so I was thinking about this crap in class 😭

Huh, ‘Boiling Blood’ is definitely a thing and evocative of lava, and Karkat’s Land almost looks like it’s just full of lava even though it’s blood, so maybe.