For a long period of time among the primordials noir the primordial black was known as the wild card of the seven This was due to the fact he refused to gain power or align himself with a master or be the master in question That all ended when rimuru summoned noir and named him diablo which when this accurd the very sky earth and sea quivered in fear I am merely talking of everyone who finds out of this event of course i was more hypothetical than littoral starting with razen who became scared for his life upon discovering diablo's identity