Image prompthuge fire giant caldera titan, ash-grey colossus, cracked stone skin with glowing fire veins, massive fused-rock maul, rising amid smoking caldera, eruptive heat aura, breathing choking ash, embers from beard and eyes, ashen greys smouldering orange fissures, billowing smoke, cold blue frost glint at margin as weakness, wrathful swinging pose, dark fantasy, grimdark, painterly digital art, dramatic chiaroscuro lighting, muted desaturated palette with corrupted-crimson accents, weathered post-Cataclysm atmosphere, intricate high detail, cinematic composition

Caldera Titan

Huge Giant, Chaotic Evil
CR 13BruteVolcanic / Fire
AC 16
STR
26
+8
save +13
DEX
10
+0
save +0
CON
21
+5
save +10
INT
8
−1
save −1
WIS
13
+1
save +6
CHA
14
+2
save +2
Skills Athletics +13
Vulnerabilities Cold · Immunities Fire, Poison; Frightened, Poisoned
Senses Darkvision 90 ft.; Passive Perception 11 · Languages Giant, Primordial (Ignan)

Traits

Legendary Resistance (2/Day). Siege Monster. Double damage to objects. Eruption Aura. An enemy that ends its turn within 15 feet makes a DC 18 DEX save. Failure: 14 (4d6) Fire damage.

Actions

Multiattack. Three Volcanic Maul attacks. Volcanic Maul. Melee Attack Roll: +13, reach 15 ft. Hit: 26 (4d8 + 8) Bludgeoning plus 13 (3d8) Fire. The target makes a DC 21 STR save; on a failure, thrown 15 feet and Prone. Pyroclastic Surge (Recharge 5–6). A 60-foot cone, DC 19 DEX save. Failure: 55 (10d10) Fire damage and Blinded (1 min, ash). Success: Half. The area becomes Heavily Obscured for 1 minute (ash cloud).

Key

Cold damage and burning through Legendary Resistance (only 2 — not 3).