In order to see beyond the object it is in and attack normally, the incorporeal creature must emerge. An incorporeal creature inside an object has total cover, but when it attacks a creature outside the object it only has cover, so a creature outside with a readied action could strike at it as it attacks.
Can a incorporeal creature pass through a solid object?
An incorporeal creature can enter or pass through solid objects, but must remain adjacent to the object’s exterior, and so cannot pass entirely through an object whose space is larger than its own.
What are the rules for incorporeal monsters in Pathfinder?
Incorporeal creatures can’t fall or take falling damage. They can’t perform trip or grapple combat maneuvers, nor can they be tripped or grappled. In fact, they can’t take any physical actions that would move or manipulate an opponent or its equipment, nor are they subject to such actions.
Can a Universal monster be harmed by other monsters?
It can be harmed only by other incorporeal creatures, magic weapons or creatures that strike as magic weapons, spells, spell-like abilities, or supernatural abilities. It is immune to all nonmagical attack forms. Even when hit by spells or magic weapons, it takes only half damage from a corporeal source.
How to attack an incorporeal creature in Pathfinder?
Attacking an incorporeal critter requires a corporeal attacker to have magic weapons, spells, spell-like abilities, or supernatural abilities. Nothing normal will work. It seems that you are taking all that in and asking “why?” not corporeal or material; insubstantial.
Can a incorporeal creature have a physical body?
An incorporeal creature has no physical body. It can be harmed only by other incorporeal creatures, magic weapons or creatures that strike as magic weapons, spells, spell-like abilities, or supernatural abilities. It is immune to all nonmagical attack forms.
What happens when you get a touch attack?
When you are the target of a touch attack, your AC doesn’t include any armor bonus, shield bonus, or natural armor bonus. All other modifiers, such as your size modifier, Dexterity modifier, and deflection bonus (if any) apply normally. Some creatures have the ability to make incorporeal touch attacks.