What it does now. Since the current passive guide is out of date with it's stats.
+50% Accuracy, +40% Dodge, -4.5 Handseal Time, -25% CD Reduction (Both Ninjutsu and Taijutsu), +10% Training Speed, +15% Damage and Defense. 30 - Int Chakra drain per second.
It also increases melee speed, but not sure how much since it doesn't add anything to attack speed stat.