Duel in Tonga's Fortress

Toa of Sound

 * Buy enough time for Tapio and his friends to defeat Tonga.
 * Defeat the Zaxx.

Zaxx

 * Kill Toa of Sound and Tapio and his friends.
 * Prevent the good guys from reaching Tonga.

Summary
While the Toa of Sound, Tapio, Henkka and Aino went in Tonga's Fortress and searched for Tonga, they encountered the Zaxx. Toa of Sound stood to hold it off while the others found Tonga. The battle was long and hard but eventually the Toa of Sound was able to slay the Zaxx. This happened at the same time as Tonga was defeated by the others.

Aftermath
Everyone alive returned home.