Charge. If the beast moves at least 20 feet straight toward a target and then hits it with a maul attack on the same turn, the target takes an extra 1d6 slashing damage. If the target is a creature, it must succeed on a Strength saving throw against your spell save DC or be knocked prone.

Maul. Melee Weapon Attack: your spell attack modifier to hit, reach 5 ft., one target. Hit: 1d8 + 2 + PB slashing damage.