Set

Religion in NetHack
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Set is the chaotic god of the Barbarian pantheon. Set's high priest is Thoth Amon, the Barbarian quest nemesis.

Mythology

Set, the serpent-god of darkness, is depicted as a seven-headed snake, and is primarily worshipped by wicked cults.

Set is one of only two deities in Nethack without his own Encyclopedia entry (the other being Mog).