RuneScape Classic Wiki
The main RuneScape Wiki has an article on: Morgan le faye
The Old School RuneScape Wiki also has an article on Morgan le faye.

Morgan le faye is an NPC located inside Keep LeFaye. She is encountered on the top floor of Keep LeFaye after Sir Mordred is defeated in Merlin's Crystal quest. She appears and asks you to spare her sons life after the player defeats him and battle, and then tells the player how to free Merlin from the Giant Crystal.


Morgan le faye is a woman with long black hair, who wears a black shirt and what appears to be a black skirt. She is wielding a staff.


This article on a non-player character has an associated dialogue page.