Primeval Owlbear

The owlbear has Advantage on saving throws against spells and other magical effects.

The owlbear makes two Ravage attacks.

Melee Attack Roll: +9, reach 5 ft. Hit: 15 (2d8 + 6) Slashing damage. If the target is a Huge or smaller creature and the owlbear moved 20+ feet straight toward it immediately before the hit, the target takes an extra 9 (2d8) Slashing damage and has the Prone condition.

Constitution Saving Throw: DC 15, each creature in a 30-foot Emanation originating from the owlbear. Failure: 27 (6d8) Thunder damage, and the target has the Incapacitated condition until the end of its next turn. Success: Half damage only.