Erebus is a location and/or entity mentioned by Raksha, the Shadow Colossus, who threatens to drag the World Guardian into it.
- In 2016, Mod Osborne revealed that previous to the release of The World Wakes, Jagex had plans for a quest called "In the Mouth of Madness", regarding a Guardian of Guthix named Erebus, who was a floating, sentient prison where Guthix put those who unbalanced the world in.
- In Greek mythology, Erebus was often conceived as a primordial deity, representing the personification of darkness.
- ^ Raksha, the Shadow Colossus, RuneScape. "I WILL DRAG YOU INTO EREBUS."
- ^ Mod Osborne. RuneScape Podcast #87 - Free Love And Sheep. 17 May 2016. "We put together a quest brief for something called "In the Mouth of Madness", which was about a Guardian of Guthix called Erebus, who was a floating prison. Like, Guthix used to put those who'd unbalance the world in."