Phase Arrow

Divination
Level: Ranger 5
Components: V
Casting Time: 1 standard action
Range: Personal
Target: You
Duration: 1 round; See text
Spell Points: 9

The arrow turns invisible when you release the string, and only reappears when it sprouts from your opponent’s chest.

Your next ranged weapon attack (if it is made before the end of the spell’s duration) passes through the ethereal plane on its way to its target. This causes it to ignore all forms of obstacles in its path, except for those that extend into the ethereal plane (such as force effects and abjurations). It therefore ignores all kinds of cover (including total cover, although you must still be somehow aware of the target’s location in such a case), conditions of severe wind, and even shield or armor bonuses to the target’s AC (unless those bonuses result from effects that block ethereal assaults). Concealment and miss chances and non-physical sources of AC still apply. You can hit an ethereal or incorporeal creature with a Phase Arrow without incurring any kind of miss chance.