Storm Giant

Huge giant · CR 13

Armor Class 16

Hit Points 230 (20d12+100)

Speed swim 50 ft., 50 ft.

STR 29 +9

DEX 14 +2

CON 20 +5

INT 16 +3

WIS 18 +4

CHA 18 +4

Saving Throws CHA+9, CON+10, STR+14, WIS+9

Skills arcana +8, athletics +14, history +8, perception +9

Damage Resistances cold

Damage Immunities lightning, thunder

Senses passive Perception 19

Languages Common, Giant

Traits

Amphibious.: The giant can breathe air and water.
Innate Spellcasting.: The giant's innate spellcasting ability is Charisma (spell save DC 17). It can innately cast the following spells, requiring no material components: At will: detect magic, feather fall, levitate, light 3/day each: control weather, water breathing

Multiattack.: The giant makes two greatsword attacks.
Greatsword. Melee/Ranged Weapon Attack: +14 to hit.: Melee Weapon Attack: +14 to hit, reach 10 ft., one target. Hit: 30 (6d6 + 9) slashing damage.
Rock. Melee/Ranged Weapon Attack: +14 to hit.: Ranged Weapon Attack: +14 to hit, range 60/240 ft., one target. Hit: 35 (4d12 + 9) bludgeoning damage.
Lightning Strike (Recharge 5-6). Melee/Ranged Weapon Attack: +0 to hit.: The giant hurls a magical lightning bolt at a point it can see within 500 feet of it. Each creature within 10 feet of that point must make a DC 17 Dexterity saving throw, taking 54 (12d8) lightning damage on a failed save, or half as much damage on a successful one.