- This article is about the effect. For the subtype, see Incorporeal (subtype).
Incorporeal is having no physical body. Incorporeal creatures are present on the same plane as the characters, and characters have some chance to affect them. Incorporeal creatures are immune to all nonmagical attack forms. They can be harmed only by +1 or better magic weapons, spells, spell-like abilities, or supernatural effects. They have a 50% chance to ignore any damage from regular attacks. Incorporeal creatures are immune to critical hits and sneak attacks.
An incorporeal creature has no armor or natural armor bonus (or loses any armor or natural armor bonus it may have when corporeal), but it gains a deflection bonus equal to its Charisma modifier or +1, whichever is greater. Their attacks negate the bonuses provided by natural armor, armor, and shields, but deflection bonuses and force effects (such as mage armor) work normally against them, as does anything with the ghost touch ability.
Incorporeal creatures have no weight and do not set off traps that are triggered by weight. They do not leave footprints, have no scent, and make no noise, so they cannot be heard with Listen checks unless they wish it.