Become Unseen

You can manipulate the manner in which someone is perceived for a time. This does not make you invisible, just unnoticed. This acts similarly to being in cover or out of the range of a creature's sight. As such you still have to role stealth each turn to remain unnoticed if you want to move or make any action besides observing (perception), and you can't hide from a creature that has already actively noticed you accept by normal means. When you attack, fail a stealth role, or otherwise do something that makes you noticed by a creature, the spell does not end, but you have to be in a position in which you could normally role stealth to once again become unnoticed by that creature. A creature who notices you is not aware that their perception was being manipulated.