Thornback Raptor
The thornback raptor is a reptilian like creature that is rolls around in a curled ball with powerful thorns for traction.
Metal Slime
The metal slime is a small metallic ooze immune to all magic, and resilient against weapon attacks. Originally from the Dragon Quest series.
Infurnace
The infurnace is a large monstrosity with acidic blood and a fire breath. It’s scales are able to reflect some spells and effects.