freyar
Extradimensional Explorer
Mob, CR 2, 11th-level caster all sound good. You need to put in the 3d8 hp healed by contagion.
For advancement, I'd be happy with some advancement to Large if you want to think about ogres, etc. So it could be 5-6 HD (Medium), 7-8 HD (Large) if you want. Otherwise, maybe no advancement.
For advancement, I'd be happy with some advancement to Large if you want to think about ogres, etc. So it could be 5-6 HD (Medium), 7-8 HD (Large) if you want. Otherwise, maybe no advancement.