Armor Class
12
Tempest Spirit
Huge Undead · Chaotic Evil
Hit Points
195 (17d12 + 85)
Speed
Walk, Fly 60 ft. ((hover))
CR
15
Traits
Incorporeal Movement
The spirit can move through other creatures and objects as if they were difficult terrain. The spirit takes 5 () Force damage if it ends its turn inside an object.
ForceLegendary Resistance (3/Day)
If the spirit fails a saving throw, it can choose to succeed instead.
Actions
Multiattack
The spirit makes two Lightning Fist or Hailstone attacks in any combination.
Lightning Fist
Melee Weapon Attack +12 to hit, reach 10 ft., one target. 25 () Lightning damage.
LightningHailstone
Ranged Weapon Attack +12 to hit, range 90/180 ft., one target. 17 () Bludgeoning damage plus 7 () Cold damage.
Bludgeoning
ColdDeath Bolt Recharge 5
The spirit hurls a magical lightning bolt in a 120-foot line that is 10 feet wide. Each creature in that area must make a DC 18 Dexterity saving throw, taking 27 () Lightning damage plus 16 () Necrotic damage on a failed save, or half as much damage on a successful one. On a success or failure, an affected creature's hit point maximum is reduced by an amount equal to the Necrotic damage taken. This reduction lasts until the creature finishes a long rest. The creature dies if its hit point maximum is reduced to 0.
NecroticBonus Actions
Hailstorm Recharge 4
The spirit conjures a hailstorm in a 20-foot-radius, 40-foot-high cylinder centered on a point it can see within 120 feet of itself. Each creature in that area must make a DC 17 Dexterity saving throw. On a failed save, a creature takes 10 () Bludgeoning damage plus 10 () Cold damage and has the condition. On a successful save, a creature takes half as much damage only.