Ability Focus
From Compendium of Worldly Lore
Needs review
Source: Monster Manual
Description: The special attack of a creature with this feat is more potent than normal.
Prerequisites: Special attack
Required for: Quickslime
Add +2 to the DC for all saving throws against the special attack on which the creature focuses.
Special
A creature can gain this feat multiple times. Its effects do not stack. Each time the creature takes the feat, it applies to a different special attack.