Small is good! I know he's eaten uh, much bigger. Like Moder? He ate Moder to purify her corruption. Which is a thing he can do, apparently. But, Sleepers are pretty weird so better safe than sorry.

[Does Dipper know the logistics of how Mizuki ate a two story tall skin deer? No. Doesn't he feel the need to question Mizuki's claim? Also no.]

Have your tests turned up anything interesting in the meantime? I've been kind of curious how our body react to being outside of Trench, considering the lack of blood pollution here.