Name: marilith
Difficulty: 11
Base level: 7
Base experience: 176
Speed: 12
Base AC: -6
Base MR: 80
Alignment: -12
Frequency: Very rare, only in Gehennom
Genocidable: No
ATTACKS:
    Projectile as weapon, or if in range, uses melee weapon for 2d4
    Projectile as weapon, or if in range, uses melee weapon for 2d4
    Projectile as weapon, or if in range, uses melee weapon for 2d4
    Projectile as weapon, or if in range, uses melee weapon for 2d4
    Projectile as weapon, or if in range, uses melee weapon for 2d4
    Projectile as weapon, or if in range, uses melee weapon for 2d4
Weight: 1450
Nutritional value: 400 (but leaves no corpse)
Size: large
Resistances: fire, poison
Resistances conveyed by eating: None

A marilith has the torso of a woman atop the body of a great snake. She can see invisible creatures. She is poisonous if eaten.

The marilith has a torso shaped like that of a human female, and the lower body of a great snake. It has multiple arms, and can freely attack with all of them. Since it is intelligent enough to use weapons, this means it can cause great damage.