The Nightmare - OSRS Wiki

The Nightmare of Ashihama, often referred to as The Nightmare, is a boss monster located in Morytania. The Nightmare can be found in the Sisterhood Sanctuary under the town of Slepe. Access to Morytania is the only requirement for fighting The Nightmare.

The Nightmare - OSRS Wiki

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The Nightmare - OSRS Wiki

The Nightmare - OSRS Wiki