From Pathfinder Lost Omens Legends, which isn't enabled.

Fading

FEAT 10

RARE ARCHETYPE TELEPORTATION

Activity reaction

Archetype Red Mantis Assassin

Prerequisites Crimson Shroud

Frequency once per Crimson Shroud

Trigger You are targeted with a Strike by someone you can detect.

Requirements Your Crimson Shroud is active.

You partially fade from reality. The attacker must attempt a DC 11 flat check; on a failure, the attack passes harmlessly through the image of your body that remains behind. An instant later you return to reality, and your Crimson Shroud ends.

Pathfinder Lost Omens LegendsOGL