During the battle against his father Kiichi pushes his limits once again and masters the Tiger's paw technique, which was previously thought to only reside within those with pure blood of the Nadashinkage since the Nadashinkage is the only clan that possesses the 3 legs: the dragon, the tiger and the falcon possessed by Kiryuu, Seiko, and Son-O respectively. Kiichi use of the tiger's paw strike to defeat his adopted father Seiko only raises further questions about who his biological father might be.