Hound

Add your Proficiency Bonus to any ability check or saving throw the beast makes.

Melee Attack Roll: Bonus equals your Constitution modifier plus your Proficiency Bonus, reach 5 ft. Hit: 2d4 + 2 plus your Constitution modifier Piercing damage. If the target is a creature Large or smaller, it must succeed on a Strength saving throw (DC equals 8 plus your Constitution modifier and Proficiency Bonus) or one of the following effects of your choice occur: the target has the Grappled condition, it has the Prone condition, or it is pushed 5 feet away from the hound.