Fluid Nature (Ex)
Source: Advanced Player's Guide, p. 52
You receive a +4 bonus to your Combat Maneuver Defense against bull rush, drag, Classes 2 grapple, reposition, and trip attempts. A creature trying to confirm a critical hit against you has a –4 penalty on its confirmation roll. At 5th level, you gain Dodge as a bonus feat. You do not need to meet the prerequisite to gain this feat.