Basilisk, Ice

Family: Basilisk

Large monstrosity, unaligned

11 (+0) 17 (+3) 13 (+1) 6 (-2) 15 (+2) 6 (-2)

Armor Class 17 (natural armor)
Hit Points 65 (10d10 + 10)
Speed 40 ft., swim 30 ft.
Saving Throws Dexterity +6, Constitution +4
Skills Perception +5, Stealth +6
Damage Immunities cold
Senses darkvision 60ft., passive Perception 15
Challenge 7 (2,900 XP)

Special Traits

  • Chilling Gaze. If a creature starts its turn within 30 feet of the basilisk and the two of them can see each other, the basilisk can force the creature to make a DC 15 Constitution saving throw if the basilisk isn’t incapacitated. On a failed save, the creature magically begins to freeze and is restrained. It must repeat the saving throw at the end of its next turn. On a success, the effect ends. On a failure, the creature is paralyzed until freed by the greater restoration spell, other magic, or 2d4 hours pass. If the creature is left to thaw without the aid of magic, it takes 2d10 cold damage when the paralysis ends. A creature that isn’t surprised can avert its eyes to avoid the saving throw at the start of its turn. If it does so, it can’t see the basilisk until the start of its next turn, when it can avert its eyes again. If it looks at the basilisk in the meantime, it must immediately make the save. If the basilisk sees its reflection within 30 feet of itself in bright light, it mistakes itself for a rival and targets itself with its gaze.
  • Snow Camouflage. The basilisk has advantage on Dexterity (Stealth) checks made to hide in snowy or icy terrain.


  • Wounded Frenzy. If the basilisk has 32 or fewer hit points it makes two bite attacks.
  • Bite. Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 10 (2d6 + 3) piercing damage plus 10 (3d6) cold damage.
  • Arctic Hunters. The ice basilisk is descended from the common basilisk, with perhaps additional ancestry from some breed of flying serpent. But the ice basilisk does not fly. Instead, it slithers across the tundra or dives into the frigid waters to hunt fish. The basilisk uses its sharp fin to break through thin ice on its hunting expeditions.


Ice basilisks are aggressive hunters, willing to attack anything of their size or smaller when they encounter it. They will use their ability to hide in order to ambush prey, and then try to use their chilling gaze or simply bite at the target. If severely wounded, the basilisk might use its fin to break through any available ice patches to swim away.


The serpentine creature is nearly 12 feet long, although it is difficult to tell how it coils upon itself over and over. Vestigial wings, arms and legs can be seen along its sinuous length and a sharp fin extends along its spine. Its body is almost entirely whitish-blue, with its underbelly having a yellowish cast to it.

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