Keen Eye increases the chances of a critical and the damage caused by criticals when using Archery based special attacks. The impact of Keen Eye varies depending on the special attack as follows: Pregnable Arrow - Critical Chance of 25%, Bonus Critical Damage of 4d12, and Critical Multipler of x3 Arrow Barrage - +4d6 Bonus Critical Damage, +25% Additional Chance to Score a Critical, Additonal x1 Critical Multipler. Punishing Rain - Adds +8 to Stun Duration and +3 to the Save DC Keen Eye All, Scout Gatekeeper