Sapphire Nightmare Blade
Type of Feat: General [Fighter]
Feat ID: 2913
Specifics: When you activate this feat, you make a concentration check against the AC of a target in melee range. If you succeed, that target gets an AC penalty equal to it's dexterity modifier (minimum 3) for two rounds. This does not allow you to sneak attack the target.
Cooldown: 60 seconds