Armor Class 11
Hit Points 60 (8d8 + 24)
Speed 25 ft., climb 20 ft.
Skills Athletics +6, Survival +2
Damage Immunities fire, [object Object]
Senses darkvision 60 ft., passive Perception 10
Languages Common, Ignan
Challenge 3
Metal Immunity. The lava child can move through metal without hindrance, and it has advantage on attack rolls against any creature wearing metal armor or using a metal shield.
Multiattack. The lava child makes two attacks: one with its bite and one with its claws.
Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 11 (2d6 + 4) piercing damage.
Claws. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 7 (1d6 + 4) slashing damage.
WDMM, p. 313