Also known as: Stone Lizard, King of Serpents, Grave-Maker, Eight-Legged Doom, Tunnel Cockatrice
Encounter Anecdote
We found the scout exactly where we left him—crossbow raised, mouth open to shout. Except he weighed as much as a cart and sounded like granite when we knocked on his shoulder. Something scraped in the dark ahead, claws on stone. Then two yellow eyes blinked, and the statues started to look less like decoration and more like a warning.
Taxonomies
Threat Level: High
Biome: Caves, Ruins, Badlands, Subterranean Tunnels, Ancient Cellars
Intelligence Level: Animal
Power Category: Supernatural
Origin: Mythic Beast
Physical Form: Multi-Legged Reptile
Behavioral Disposition: Territorial, Predatory, Instinct-Driven
Environmental Interaction: Petrification Gaze, Lair Stalking, Stone Camouflage
Social Structure: Solitary
Narrative Role: Dungeon Predator, Area Denial Hazard, Mini-Boss, Environmental Puzzle
Physical Description
A basilisk resembles a squat, heavily armored lizard the size of an ox, with eight splayed legs and a low, muscular body built for scrambling over rock. Its scales are dull gray-brown, almost identical to cave stone, and its horned head ends in a blunt snout filled with peg-like teeth. The eyes glow faint gold in darkness. Around it lie unnatural stone forms—animals, people, even broken weapons—caught mid-motion like a frozen battlefield.
Overview
The basilisk is a classic dungeon terror: a creature whose gaze turns living flesh to stone. Unlike calculating monsters, it is driven by hunger and instinct, making it both simpler and more dangerous. It does not scheme—it wanders its territory, petrifying prey by accident as often as intent, then returns later to gnaw at the statues once the magic softens.
This creates lairs filled with eerie evidence of past encounters: half-eaten stone limbs, shattered statues, and narrow pathways between victims. Adventurers must fight indirectly—mirrors, blindfolds, or clever positioning—because meeting its eyes even once can end a character’s story. In low-magic settings, its effect may be described as rapid calcification, mineral encrustation, or exotic radiation.
Encounter Frequency and Usage
Uncommon, but Common in deep ruins or monster-infested underworlds.
Use basilisks to reshape terrain and create puzzles rather than straight fights. Statues can block corridors, provide cover, or serve as tragic clues. Recovery missions to “unstone” victims are natural hooks. In Altered Dimensions, displaced basilisks often infest subway tunnels, storm drains, or parking garages—leaving behind unnervingly lifelike “concrete” figures.
OpenD6 Stat Block
Attributes:
Strength: 5D
Dexterity: 2D
Intelligence: 1D
Perception: 4D
Wits: 2D
Presence: 2D
Skills:
Brawling (bite) 5D
Stealth (rocky terrain) 4D
Stamina 4D
Special Abilities:
Petrifying Gaze: Opposed Perception or Wits; failure results in full petrification. Partial success causes slowed movement and penalties for several rounds.
Stone Camouflage: +1D to Stealth when motionless among rocks or ruins.
Thick Scales: +2D to resist physical damage.
Sure-Footed: Ignores penalties for rough or vertical stone terrain.
Animal Mind: Immune to intimidation or negotiation.
Typical Gear: None
Basic Fantasy Stat Block
Armor Class: 16 (armored scales)
Hit Dice: 7 (31 hp average)
Move: 20 ft., climb 20 ft.
Attacks: Bite (2d6)
Special: Petrifying gaze (save or turn to stone); surprise on 1–3 in rocky terrain; half damage from non-magical missiles; immune to fear
Morale: 9
Alignment: Neutral
XP Value: 650
Design Note:
The basilisk fills the “supernatural area-control predator” niche—less about raw damage and more about forcing players to change how they approach the encounter. It turns sight itself into the battlefield.

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