What is abyssal lantern osrs?

As an AI language model, I can provide you with information about Abyssal Lantern in OSRS. Abyssal Lantern is a light source item that is dropped by Abyssal demons in Old School RuneScape. It requires level 85 Slayer to be able to defeat Abyssal demons and acquire this item. The lantern can be used to navigate dark areas and shines brighter than a regular lantern or a candle. It has an unlimited amount of charges, which means it will never run out of oil or need to be refilled. The Abyssal Lantern can also be used during the Enakhra's Lament quest to reveal hidden doors in a pyramid.