[RPG] How to dispel greater invisibility


If I know there is a creature in range under the greater invisibility effect, can I do the ready action to cast dispel magic on the invisibility effect when the invisible creature reveals his position with attacks, spells or in any other way?

Best Answer

You can target invisible creatures

Given that you don't need line of sight to target the invisible creature with dispel magic, you can target the creature even when invisible.

Dispel magic (PHB, pg. 234) says:

Choose one creature, object or magical effect within range.

It doesn't say anything about "that you can see", meaning that you don't need to be able to see the invisible creature to attempt to dispel the effect.

This means you don't need to use your action to ready the spell, you can just cast the spell (unless you aren't sure they're within range, in which case you could ready the spell to be released upon the invisible enemy revealing their position when they attack, etc).

See also: What happens when an invisible creature is detected?, How does an NPC guess where an invisible PC is when attacking?

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