Father of Sleep, Son of Time, the Night's Friend, Mueh'zala ushered the dead of Azeroth long before Bwonsamdi made his first deal. He knows a god should rule, not beg for servants and worshipers. The plans he laid in ancient times to reclaim that power are coming to fruition, once he deals with his rebellious replacement.
Use: Drop a Shadowgrasp Totem at your feet for 15 sec that harvests your target, inflicting 257 Shadow damage every 1 sec. Each time a target dies while affected by Shadowgrasp Totem, you are healed for 837 and this cooldown is reduced by 15 sec. (2 Min Cooldown)
Mind Blast and Shadow Word: Death cause your Shadowfiend to teleport behind your target, slashing up to 5 nearby enemies for [.408 * (225% of Spell power)] Shadowflame damage. Each time a rift is triggered, the duration of Shadowfiend is increased by 1.0 sec.