Large Beast, Unaligned
Armor Class 13 Natural Armor
Hit Points 75 (10d10 + 20)
Speed 15 ft.
STR
18 (+4)
DEX
10 (+0)
CON
15 (+2)
INT
6 (-2)
WIS
12 (+1)
CHA
8 (-1)
Skills Perception +3
Damage Immunities Acid
Senses Tremorsense 60ft., Passive Perception 13
Languages --
Challenge 3 (700 XP)
Proficiency Bonus +2
Traits

Acidic Body. A creature that touches the aspis or hits it with a melee attack while within 5 feet of it takes 3 (1d6) acid damage. 

Actions

Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit:  7 (1d6 + 4) piercing damage and 7 (2d6) acid damage. 

siseru