the passages to the kanohi ignika's chamber are littered with traps and tests to keep the mask out of the wrong hands. the piraka quickly face their greatest fears in the form of the mythical monster irnakk. only zaktan's willingness to end his own cursed existence and everyone else's lives, thereby eliminating the fear that brought irnakk to life and sustains him, allows the piraka to pass the test and continue. in a later test, the piraka fail due to their inability to trust one another; while they escape the resulting deathtrap they end up exposed to something that begins changing them...