Umbraethos

Umbraethos is an Archangel Primordial of Necral's Pantheon, who also serves as the Primordial Executioner. His status as an Archangel Primordial grants him leadership within Necral's Pantheon, Necral additionally bestowed the title of Primordial Executioner upon him, charging him with executing any Primordial who violates 'The Treaty'. 
He possesses an extremely rare weapon, capable of killing Primordials up to Archangel level. The weapon takes the form of a unique scythe, referred to as Sunder.