The circle Garulf draws glows a greater golden white than when summoning Aasiphan and Melbion. When the light dies down, there before you stands a creature of the same stature as the two angels before him and carries the same holy reaper of Aeomon in both hands in front of him like a cane. His features aren't quite as soft, though. They appear more pale and dry, but with all the same grace as the other angels. It is obvious almost immediately, that this angel is instead alive, deathless.
"Greetings fist of Aeomon. I am Yaraul, of the court of the White Reaper."
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Good Lich Astral Deva and it's all yours to control. The only difference is the DR is 15/evil and bludgeoning and it doesn't really need the casting, it has the SLA's.