alright this is how i think you do it. when you get there try to manourve the monster's shots. when he stops shooting shoot at his eye with the cannon. this will only do damage if the monster's eye is open. if the eye is shut, it will not do any damge. do this maybe around 5 times and he will die.
hope this helps
you hit her
You have to side from them you can't beat them
youtube: legend of zelda phantom hourglass by cesaritox09
beat bellum, the final boss
beat the goron temple
to use loud sounds yell into your microphone and the monster will curl up then attack it with your sword
beat the pyramid temple
Defeat Belum and and save Tetra
cry because you wasted your money.
Beat... Zelda...? What in the name of Krixus? Zelda is on your side.
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Talk to zauz