The black mask is a unique mask worn in the head slot. The mask has the same stats as a black med helm. It provides a player 16.67%[1] Attack and Strength boost against all monsters on the player's current Slayer task. It requires 20 Strength, 10 Defence, and 40 Combat to equip.
Conspiracy theory: cave horrors don't drop black masks : r/2007scape
Black dragon mask, Old School RuneScape Wiki
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OSRS Wiki has (automatic) Dark mode, Reader mode, and Sticky header! : r/2007scape
Black mask, RuneScape Wiki
Undead combat dummy, Old School RuneScape Wiki
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