Inferno!

You are Avenger, a Ninja warrior trained in the Way of the Tiger, an oustanding master of the martial arts. Victorious from your great struggle against the forces of evil, you must now risk everything and enter the Rift to rescue your good friend Glavias the Ranger-Lord, held somewhere deep in the Rift’s honeycomb of tunnels which stretch in darkness to the very centre of Orb. Are you ready for the Way of the Tiger? This is the last book in the series.