Custom collider for a non-humanoid character

Hello, I have a dragon model which I would like to use as with a character movement component, and as far as I know only the character blueprint class has that component, however the default capsule collision does not fit the dragon. The dragon goes into many different stances, I.E. sitting, walking, lying down, so a mesh collider would be great. It will be an AI, and I use Blueprints. Does anyone know how to achieve such a thing?

Here is the dragon for reference:

I’m also interested in this thing. Here’s a bump