Charge: If the boar moves at least 20 ft. straight toward a target and then hits it with a tusk
Attack on the same turn, the target takes an extra 3 (1d6) slashing damage. If the target is a creature, it must succeed on a DC 11
Strength saving throw or be knocked prone.
Relentless (Recharges after a Short or Long Rest): If the boar takes 7 damage or less that would reduce it to 0
Hit Points, it is reduced to 1 hit point instead.
Tusk: Melee Weapon Attack: +3 to hit, reach 5 ft., one target. Hit: 4 (1d6 + 1) slashing damage.