Huge Beast
Armor Class 16
Hit Points 63 (6d12+24)
Speed walk +30
Challenge 3
Senses passive Perception 11
Tail. Melee Weapon Attack: +6 to hit, reach 10 ft., one target. Hit: 17 (3d8 + 4) piercing damage. If the target is a Large or smaller creature it makes a DC 14 Strength saving throw. On a failure it is knocked prone.
Source: Level Up Advanced 5e Monstrous Menagerie · OGL/Open