Oogler

Oogler is a unique monster found in bone mini biomes and Bone Caves. They freeze in place briefly and growl before charging at players at great speed. This monster has a weakness (+50% damage taken) to Poison damage and a resistance (-50% damage taken) to Ice damage. Additionally, it cannot be inflicted with Frost. It appears mystified when encountering new life forms. You can't help but feel watched.