# a bottomless gulf or pit; any unfathomable (or apparently unfathomable) cavity or chasm or void extending below (often used figuratively)
wordnet.princeton.edu/perl/webwn
# Abyss is a fictional character in Marvel Comics' universe. He first appeared in the alternate timeline of the Age of Apocalypse, in which he was one of Apocalypse's Horsemen, a nihilist with a warped sense of humor. His counterpart in the mainstream Marvel Universe first appeared in Cable #40. There it was revealed that his real name was, improbably enough, Nils Styger, and that he suffered from the Legacy Virus. Much later, was later recruited into Banshee's X-Corp
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