OSRS - Mark of Darkness Overview

Mark of Darkness is a spell within the Arceuus spellbook that requires level 59 Magic and the completion of A Kingdom Divided to be cast.

Spell Effects

When under the effects of the spell, the caster will gain various buffs for a certain amount of time (0.6 * Y seconds), where Y is the player's Magic level at the time of casting.


- Grasp Spells: The bind chance of grasp spells is doubled, though the bind duration remains the same.

- Corruption: Corruption will occur twice as often.

- Demonbane Spells: If the target is a demon, demonbane spells will have an additional 25% damage and 20% accuracy bonus. The damage bonus is applied after any bonus damage from gear.

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Messages and Animations

- Upon casting the spell, the message: "You have placed a Mark of Darkness upon yourself." will appear.

- 10 ticks before the spell expires, the player will receive the message: "Your Mark of Darkness is about to run out."

- When the spell ends, an animation will play and the player will receive the message: "Your Mark of Darkness has faded away."

This spell provides significant combat benefits, especially against demons, and can be a powerful tool in the arsenal of a mage who has completed the necessary quests and has the appropriate Magic level.