Vulnerability

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Vulnerability is a spell in the standard spellbook. When successfully cast on a target, the damage they take from all sources is increased by 10% for 60 seconds. For example, a target that would take 3500 damage instead takes 3850 damage (350 being 10% of 3500). It can also be applied by throwing a Vulnerability bomb.

Mechanics[edit | edit source]

Vulnerability affects all damage all players can inflict on the target and damage from other sources such as summoning familiars, dreadnips, poison, and even any damage the monster may deal to themselves.

Vulnerability is often used against high level bosses such as Telos, the Warden and Nex: Angel of Death. Some bosses have "immunity" against this spell, meaning that upon casting, it will only last for a few seconds before being removed. Monsters "immune" to Vulnerability include:

A target can be simultaneously affected by Curse (the weaker version of Vulnerability) and Vulnerability, but the two spells do not stack; Vulnerability has the higher priority. The target would only receive 10% more damage from Vulnerability.

It can be cast again on the same target at any time to reset its duration back to 60 seconds. Experience is gained only if the spell successfully lands.

Cost[edit | edit source]

InputCost
1Chaos rune.png1Soul rune.png2,848

Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • patch 24 July 2017 (Update):
    • Players can now recast affinity spells (such as Vulnerability) when they are already active to restart the timer.
    • Players now receive a message for successfully adding an affinity spell to an opponent.

Trivia[edit | edit source]

  • Before the Evolution of Combat, Enfeeble and Stagger were used alongside Vulnerability for training Magic in metal armour because the spell would always miss with a low enough Magic attack bonus (-65). It could be re-cast indefinitely in this manner, resulting in quick experience. However, this spell no longer gives any experience for missing.