[Event] Enhanced Metallurgy: Decay [16-19]

Increases Honing Success Rate as follows. Honing Lv. 16 (1,605): +4% Honing Lv. 17 (1,610): +4% Honing Lv. 18 (1,615): +3% Honing Lv. 19 (1,620): +3% [Targets: Gear] Eye of Decay Craft Weapon