God arrows refer to arrows that are affiliated with Zamorak, Saradomin, or Guthix. You need at least 50 Ranged to use them, and the range strength increases with the ranger's level up to a max of +60 range strength. Each arrow has a 1/10 chance for extra damage, or a 1/5 chance for extra damage if used with the corresponding god bow. They were introduced into the game with the release of elite clue scrolls as well as over 100 other new treasure trail rewards.
The three types of arrows are: