In "Avatar The Last Air bender" videogame, how do you past the guards in the Royle Library?

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Answer 1

"Exit the palace and go back down to where you encountered Haru. Head right and a man stops you, telling you that only an Earthbender can enter the Royal Library. Haru is an Earthbender, so you'll have to get him to get the scoop on things. Coincidentally, a guard leaves his post and you can get into the ladder behind him! Odd! Amusing! Kekekeke! To the sewers!"