Tothrezim The Tothrezim are a secretive demonic race that remained hidden in the darkest corners of the Twisting Nether with an ability to tap into the swirling invisible eddies of power of the nether . They are the distant cousins of the dread nathrezim . They serve Sargeras as laborers , researchers , businessmen , and debt collectors , particularly in constructing and selling infernals . History . The Tothrezim had shared a common ancestry with the cruel nathrezim , but while the nathrezim serve Sargeras as lieutenants in his armies , the tothrezim serve as his laborers and craftsmen . They slave away with mining picks and in magical laboratories with a nearly single - minded common goal of filling the Burning Legion ’ s demand for infernal s . The tothrezim were never expansionistic or military - minded , but they share a unique bond with the Twisting Nether and an unmatched greed for gold and magic items . The bond enables them to infuse fiery constructs with fel power , and they have used their ability to establish themselves as a dominant force in Sargeras dire plan . A gray ore known as fel stone litters the physical spaces of the Nether . It functions as a conduit for the Nether ’ s entropic energies . The tothrezim mine the ore and shape it to create shells that channel the energy . The results are fiery infernals . The tothrezim craft them for the Burning Legion , but their greed drives them to sell their constructs to whoever will pay the price they demand . The tothrezim are organized , businesslike and undiscerning . They ’ ll offer a contract for infernal summoning to anyone who is capable of paying . The tothrezim accept any form of payment . They take gold , gems , jewels and especially magic items . Clients are billed every few weeks and payment is expected immediately . One of the tothrezim ' s collectors teleports or plane shifts to the client ' s location . Those who dodge their obligations or attempt to hide from scrying attempts , through nondetection or similar magic , are dealt with harshly . The tothrezim have four specialized collection teams usually consisting of : one tracker who serves as scout and spy ; one divine caster ; two arcane casters , one of whom serves as group leader ; and three adamantine stalker s . For particularly dangerous debt collections , the tothrezim maintain one group comprised of the individuals below and five adamantine stalkers . Description . They have leering , demonic visages with deeply sunken eyes and smooth skin . Great , hooked wings extend from their backs , marked with elaborate symbols fashioned from acts of self - mutilation , including ornate stitching and a series of intricate cuts . They are a dark - skinned humanoid that would stand at least twice as tall as a normal man , were its form not unnaturally hunched over . Four abnormally large arms connect to bulbous shoulders , each clutching a glistening , black blade . A tothrezim ’ s claws drip with a fel poison that eats at the very sanity of a creature . The tothrezim are mystically linked to the Twisting Nether and can draw power directly from it . The tothrezims ’ link to the Twisting Nether also allows them to focus its energy into constructs , giving sculpted rock a chaotic life born of the Nether .