Monsterbrew

SRD

Storm Giant

huge giant, chaotic good

AC 16

Initiative +2 (12)

HP 230 (20d12 + 100)

Speed 50 ft., Swim 50 ft., Fly 25 ft., Hover true ft.

ModSaveSTR 29+9+14DEX 14+2+2CON 20+5+10
ModSaveINT 16+3+3WIS 20+5+10CHA 18+4+9

Skills Arcana +8, Athletics +14, History +8, Perception +10

Resistances cold

Immunities lightning, thunder

Senses Darkvision 120 ft., Truesight 30 ft. Passive Perception 20

Languages Common, Giant

CR 13 (XP 10,000; PB +5)

Amphibious. The giant can breathe air and water.

Actions

Lightning Storm (Recharge 5-6). Dexterity Saving Throw: DC 18, each creature in a 10-foot-radius, 40-foot-high Cylinder [Area of Effect]|XPHB|Cylinder originating from a point the giant can see within 500 feet. Failure: 55 (10d10) Lightning damage. Success: Half damage.

Multiattack. The giant makes two attacks, using Storm Sword or Thunderbolt in any combination.

Spellcasting. The giant casts one of the following spells, requiring no Material components and using Wisdom as the spellcasting ability (spell save DC 18): - At Will: Detect Magic, Light - 1/Day Each: Control Weather

Storm Sword. Melee Attack Roll: +14, reach 10 ft. 23 (4d6 + 9) Slashing damage plus 13 (3d8) Lightning damage.

Thunderbolt. Ranged Attack Roll: +14, range 500 ft. 22 (2d12 + 9) Lightning damage, and the target has the Blinded and Deafened conditions until the start of the giant's next turn.

Storm Giant is from the System Reference Document 5.2.1 (“SRD 5.2.1”) by Wizards of the Coast LLC, used under the Creative Commons Attribution 4.0 International License. Full attribution is on the Licenses & Attribution page.