based on D&D 5th Edition
Mammoth
Huge  Beast , Unaligned

Armor Class 13  (natural)
Hit Points 126  (11d12+55)
Speed 40 ft. , swim 20 ft.



STR DEX CON INT WIS CHA
24  (+7) 9  (-1) 21  (+5) 3  (-4) 11  (0) 6  (-2)
Senses passive Perception 10
Languages
Challenge 6  (2300 XP)
Trampling Charge. When moving, using Gore attack a hit requires a DC 18 Strength saving throw or target is knocked prone. It can make one Stomp attack as a bonus action, if target is prone..
Actions
Gore. Melee Weapon Attack: +10 to hit, reach 10 ft., one target. Hit: 25 (4d8+7) piercing damage.
Stomp. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 29 (4d10+7) bludgeoning damage.