Monster ideas for an Unnamed VR Project

Here are some boss- monsters I came up with that you'd in theory fight in VR.

This monster is kind of volcano-themed, and I think someone told me it reminded them of a Bulette from DnD. His skin is covered in thin sheets of glass that you could crack as you fight him. Here he is angry and his flesh is beginning to glow orange.

Here he is not so angry

The idea here was some sort of human who'd been cursed to be a dragon. That's why his skin is pink and fleshy and gross.