Avenger!

You are Avenger, a ninja trained in the Way of the Tiger, a lethal master of unarmed combat who must confront ultimate evil to avenge the death of your foster-father.
Your foster-father's assassin has stolen the scrolls of Kettsuin. Now, the secret word of power could be used to imprison the great god Kwon in Inferno forever - unleashing the forces of evil throughout the world of Orb. Your quest is to find the assassin before he reaches the Pillars of Change. The fate of Orb depends on your deadly skills and cunning.
THE WAY OF THE TIGER is the eighties gamebook adventure classic now revised and expanded for a new generation of fans. You choose the skills and martial arts moves to defeat your enemies, gaining knowledge and honing your abilities to use as your quest progresses.
Are you ready for the Way of the Tiger?