Cruelty Feat 4
Source Pathfinder Advanced Player's Guide
Prerequisites devotion spell (touch of corruption)
The harm you deal with your corrupting touch saps the strength from your enemy's body.
If your next action is to cast Touch of Corruption on a living creature, the target is also Enfeebled 1 for 1 minute if it fails its save (enfeebled 2 if it critically fails).
Traits
Something of uncommon rarity requires special training or comes from a particular culture or part of the world. Some character choices give access to uncommon options, and the GM can choose to allow access for anyone. Less is known about uncommon creatures than common creatures. They typically can't be summoned. The DC of Recall Knowledge checks related to these creature is increased by 2.
ChampionThis indicates abilities from the champion class.
ConcentrateAn action with this trait requires a degree of mental concentration and discipline.
MetamagicActions with the metamagic trait, usually from metamagic feats, tweak the properties of your spells. You must use a metamagic action directly before Casting the Spell you want to alter. If you use any action (including free actions and reactions) other than Cast a Spell directly after, you waste the benefits of the metamagic action. Any additional effects added by a metamagic action are part of the spell's effect, not of the metamagic action itself.