The dwarven defender can activate this ability once per day, per level of defensive awareness.
They gain the following bonus's:
Physical Damage immunity = Dwarven Defender Level / 3
+2 Constitution
+2 Dexterity
+2 AC
If the dwarven defender is level 8 or higher, he gains +3 (CON, DEX, AC) instead.
These effects last for: 6 + (DD levels * 2) rounds.