[Digital drawing created with my phone primarily using an old, no-longer-supported sketch program.]
Somewhere between Lovecraftian interdimensional horror and traditional shamanism is where my brain floats. This scene is clearly some kind of spirit / dimensional rift, in which a creature (who might be dangerous, but isn't necessarily evil) has phased into our realm---at least partially. We see other, lesser spirits hovering around the main entity, and the person in the flamingo mask is most likely the shaman (sorry, sha-person) responsible for invoking the great beast. Perhaps he was looking for advice... (Let's hope everyone involved is polite.)
---Richard F. Yates (Holy Fool)