Weird alien T-Rex. Does the same job though.
Armour Class 14 (natural armour)
Hit Points 208 (13d12 + 52)
Speed 50 ft.
STR 25 (+7) DEX 10 (+0) CON 19 (+4)
INT 2 (-4) WIS 12 (+1) CHA 9 (-1)
Skills Perception +4
Senses passive Perception 14
Challenge 11 (7,200 XP)
Multiattack. The maraxes makes two attacks: one with its bite and one with its tail. It can’t make both attacks against the same target.
Bite. Melee Weapon Attack: +11 to hit, reach 10ft., one target.
Hit: 33 (4d12 + 7) piercing damage. If the target is a Medium or smaller creature, it is grappled (escape DC 17). Until this grapple ends, the target is restrained, and the maraxes can’t bite another target.
Tail. Melee Weapon Attack: +11 to hit, reach 10ft., one target.
Hit: 20 (3d8 + 7) bludgeoning damage plus 13 (4d6) poison damage.
Dense, bony growths line the back of this bipedal predator. Between its gnashing, toothy under bite, scythe-like claws, and spiked tail, no part of this beast offers mercy.