COTM trying to get to an unreachable room...

[SOLVED]

Had to go bottom right to the next screen, pull lever, and backtrack.

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Underground waterway:

https://preview.redd.it/4mqkfj37xx6c1.png?width=764&format=png&auto=webp&s=4e6c05abfa68c0ba615af4ba7e537a3ea31337f3

https://preview.redd.it/u5v0o60bxx6c1.png?width=1072&format=png&auto=webp&s=339bdbfe0f20ddb194ac7dd243662051d8e2411f

I'm stuck I can't figure this out and it's eating the few braincells I have left... do I need any particular card power for pull the lever while standing on the box?