Brontosaurus

Gargantuan beast, unaligned

Armor Class 15 (natural armor)

Hit Points 121 (9d20+27) [roll:9d20+27)

Speed 30ft

STR

21 +5

DEX

9 -1

CON

17 +3

INT

2 -4

WIS

10 0

CHA

7 -2

Saving Throws Con +6

Challenge 5 (1,800 XP)

Actions

Stomp. Melee Weapon Attack: +8 to hit, reach 20 ft., one target. Hit: 27 (5d8+5) bludgeoning damage, and the target must succeed on a DC 14 Strength saving throw or be knocked prone. Tail. Melee Weapon Attack: +8 to hit, reach 20 ft., one target. Hit: 32 (6d8+5) bludgeoning damage.