Undead dragon

• lifedrain life drain wave 300–450 (wave, range 7, heals it)
• death death strike 100–380 (spell, range 7)
• earth poison ball 100–260 (ball, radius 2, range 7)
• physical blood ball 200–300 (ball, radius 1, range 7)
• heal heals itself 200–250

• lifedrain life drain wave 600–900 (wave, range 7, heals it)
• death death strike 200–760 (spell, range 7)
• earth poison ball 200–520 (ball, radius 2, range 7)
• physical blood ball 400–600 (ball, radius 1, range 7)
• death nightmare pulse 280–560 (around itself, radius 1)
• heal heals itself 200–250

A Nightmare undead dragon (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.

• lifedrain life drain wave 900–1350 (wave, range 7, heals it)
• death death strike 300–1140 (spell, range 7)
• earth poison ball 300–780 (ball, radius 2, range 7)
• physical blood ball 600–900 (ball, radius 1, range 7)
• death nightmare pulse 420–840 (around itself, radius 1)
• fire hellfire 630–1260 (around itself, radius 2)
• lifedrain soul drain 420–840 (spell, range 4, heals it)
• heal heals itself 200–250

A Hell undead dragon (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.