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 30%, Bonus Critical Damage of 5d12, and Critical Multipler of x4 Arrow Barrage - +5d6 Bonus Critical Damage, +30% Additional Chance to Score a Critical, Additonal x2 Critical Multipler. Punishing Rain - Adds +10 to Stun Duration and +4 to the Save DC Keen Eye All, Scout Gatekeeper