Hades three-headed guard dog Cerberus. The Etruscan god Aita and the Roman gods Dis Pater and Orcus were eventually taken as equivalent to Hades and merged into Pluto, a Latinization of Plouton (", Ploútōn"), itself a euphemistic title often given to Hades. The origin of Hades' name is uncertain, but has generally been seen as meaning "the unseen one" since antiquity. An extensive section of Plato's dialogue "Cratylus" is devoted to the etymology of the god's name, in which Socrates is arguing for a folk etymology not from "unseen" but from "his knowledge ("eidenai") of all noble things". Modern linguists have
Orcus (Dungeons & Dragons) slumber, Acererak scheming with the Negative Energy Plane, and a once-powerful follower of Orcus sending a final impassioned prayer. Orcus was now "a thin, small, shadowy creature", and renamed himself Tenebrous. He was still a god, but much less powerful than before his death. His servants had been slain by Kiaransalee, so Tenebrous brought them back as undead tanar'ri called "visages", tasking them to gather information to plot his vengeance. He also found the Last Word in the ruins of Pelion on the plane of Arborea, which he could use to slay even gods. He sought the "Wand of Orcus",