Lava Fish and Lava Shark, 5E
by WingofCootLava Fish
Tiny monstrosity, unaligned
Armor Class 11
Hit Points 5 (2d4)
Speed 0 ft., swim 30 ft.
Damage Immunities fire
STR 1 (-5) DEX 12 (+1) CON 10 (+0) INT 1 (-5) WIS 10 (+0) CHA 5 (-3)
Senses passive Perception 10
Languages -
Challenge 0 (0 XP)
Water Vulnerability. If completely immersed in water, a lava fish is killed.
Lava Shark
Large monstrosity, unaligned
Armor Class 17 (natural)
Hit Points 76 (9d10 + 27)
Speed 0 ft., swim 30 ft.
Damage Immunities fire
STR 18 (+4) DEX 14 (+2) CON 16 (+3) INT 1 (-5) WIS 14 (+2) CHA 4 (-3)
Skills Perception +4
Senses passive Perception 14
Languages -
Challenge 3 (700 XP)
Water Vulnerability. If completely immersed in water, a lava shark is killed, and a steam explosion occurs - each creature within 10 feet must make a DC 13 Constitution saving throw, taking 5 (1d10) fire damage on a failed save, or half that much damage on a successful one.
Actions
Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6+4) damage plus 3 (1d6) fire damage.
Spit Lava. Ranged Weapon Attack: +4 to hit, range 30/90, one target. Hit: 10 (3d6) fire damage.