hydraxon takes matoro to the pit, where he his placed under the watch of the guard robot maxilos. matoro's predicament worsens when he learns that maxilos has become the new body of teridax, the makuta of metru nui. teridax frees matoro, forcing him to ally with him without revealing his identity to the other toa mahri. the others, taken to prison caves by the barraki, escape through the use of their new mask powers; kongu's summons a giant sea creature, which ends up getting into a battle with the revived 300-foot (91 m) venom eel. all the toa mahri then return to mahri nui, where the others are introduced to maxilos. honored by defilak by being offered the group name toa mahri, the six and maxilos set out to divide the barraki against each other. luckily, their efforts prove successful, and the barraki and their armies begin clashing. afterwards, however, the toa are shocked to learn that mantax's army of rays is approaching mahri nui with hahli at its head.