5e Cards
Challenge 13: 13

Storm Giant

Huge giant, chaotic good

Armor Class
16 (scale mail)
Hit Points
230 (20d12+100)
Speed
50 ft., swim 50 ft.
STR
29 (+9)
DEX
14 (+2)
CON
20 (+5)
INT
16 (+3)
WIS
18 (+4)
CHA
18 (+4)
Saving Throws
Str +14, Con +10, Wis +9, Cha +9
Skills
Arcana +8, Athletics +14, History +8, Perception +9
Damage Resistances
cold
Damage Immunities
lightning, thunder
Senses
passive Perception 19
Languages
Common, Giant
Challenge
13 (10,000 XP)
Proficiency Bonus
+5

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:

Actions

Multiattack. The giant makes two greatsword attacks.

Greatsword. Melee Weapon Attack: +14 to hit, reach 10 ft., one target. Hit: 30 (6d6 + 9) slashing damage.

Rock. Ranged Weapon Attack: +14 to hit, range 60/240 ft., one target. Hit: 35 (4d12 + 9) bludgeoning damage.

Lightning Strike (Recharge 5-6). 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.

How many for your party

Copies of the storm giant (10,000 XP each) against a party of four characters of the same level. Build mixed fights in the encounter builder.

Number of Storm Giant for each difficulty, party of four
Party levelEasyMediumHardDeadly
Level 10——12–20
Level 11——12–20
Level 12—1—2–20
Level 13—1—2–20
Level 14—1—2–20
Level 171—23–20

In these lists

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Questions

What CR is the Storm Giant?

The Storm Giant is challenge 13, worth 10,000 XP, with a proficiency bonus of +5.

How many hit points does the Storm Giant have?

230 hit points (20d12+100), with AC 16 from scale mail.

How many should I use against four 10th-level characters?

Against four level 10 characters, 1 is hard by the encounter XP budget.