Rock crab

• physical crushing claw 2–9 (spell, range 1)

• physical crushing claw 4–18 (spell, range 1)
• death nightmare pulse 6–12 (around itself, radius 1)

A Nightmare rock crab (white skull) comes back one time in two hundred - when it respawns, or rising where one just died. Its blows and spells hit twice as hard, and a pulse of death goes round it; its drops come 3% more often; 1 Warden mark to everyone who brings it down.

• physical crushing claw 6–27 (spell, range 1)
• death nightmare pulse 9–18 (around itself, radius 1)
• fire hellfire 15–30 (around itself, radius 2)
• lifedrain soul drain 9–18 (spell, range 4, heals it)

A Hell rock crab (red skull) - one mutation in ten is Hell. Its blows and spells hit three times as hard, two attacks at once, with a burst of hellfire and a drain that heals it; its drops come 5% more often; 2 Warden marks to everyone who brings it down.