Celestial Saga

In Pathfinder 1e, concealment represents situations where a target is hard to see clearly. It can be due to various factors such as darkness, fog, or other visual impairments.

Here are the key points about concealment:

1. Determining Concealment: To determine whether your target has concealment from your ranged attack, choose a corner of your square. If any line from this corner to any corner of the target’s square passes through a square or border that provides concealment, the target has concealment. When making a melee attack against an adjacent target, your target has concealment if his space is entirely within an effect that grants concealment.
2. Concealment Miss Chance: Concealment gives the subject of a successful attack a 20% chance that the attacker missed because of the concealment. Make the attack normally—if the attacker hits, the defender must make a miss chance d% roll to avoid being struck. Multiple concealment conditions do not stack.
3. Total Concealment: If you have line of effect to a target but not line of sight, the target is considered to have total concealment from you. You can’t attack an opponent that has total concealment, though you can attack into a square that you think they occupy. A successful attack into a square occupied by an enemy with total concealment has a 50% miss chance.
4. Ignoring Concealment: Concealment isn’t always effective. An area of dim lighting or darkness doesn’t provide any concealment against an opponent with darkvision. Characters with low-light vision can see clearly for a greater distance than other characters with the same light source.
5. Concealment and Stealth Checks: You can use concealment to make a Stealth check. Without concealment, you usually need cover to make a Stealth check.