Trampling Charge: If the boar moves at least 20 ft. straight toward a creature and then hits it with a gore attack on the same turn, that target must succeed on a DC 18 Strength saving throw or be knocked prone.   Tidal Charge: The boar can create a 5ft high wave that moves at 20ft a turn if it moves 40ft or more while in water. This wave drags any prone creatures underwater 10ft if it moves over them. & they take 4d8 bludgeoning damage.   Hold Breath: The boar can hold its breathe for up to 4 hours.