Neverwinter Nights 2 Feats Database: Feat Details
Improved Turning
Feat ID: 2155
Type of Feat: Divine
Use: Automatic
Prerequisite: Turn Undead
Previous Feat(s) Required: Turn Undead
Installation: Storm of Zehir

You can turn or rebuke creatures as if you were one level higher than you are in the class that grants you the ability.