Encounters with The Forgotten Ones

Write a narrative describing a chance encounter with one of the Forgotten Ones, ancient gods banished into the abyss, in the Deep Roads.

This prompt delves into the realm of the supernatural and the unknown. The Forgotten Ones were banished due to their unpleasant nature, but what happens when a group of adventurers accidentally stumbles upon one of them? Journey through themes of fear, reverence for the divine, consequences of disturbing the sacred and how such encounters reshape beliefs and the sense of self.