1) With a 25% chance, the player will not take arrow damage - Permission - gs.noarrow
2) With a 20% chance, the player will deal 2 more damage (1 heart) Permission - gs.adddamage
3) With a 15% chance, the player will reflect 50% damage to the attacker Permission - gs.return
4) With a 5% chance, the player will not receive damage from falling Permission - gs.nofall
5) With a 2% chance, the player will not take any damage Permission - gs.nodamage