i hit everywall with the wrench but nothing happend i tried hitting the vent many times but i couldnt get it to work
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If this is the starter room you're talking about, you need to press E or S/Down to enter the vent first. This is never properly explained within the game itself, but in metroidvania fashion was supposed to be something discovered. I am probably going to patch the game to better explain this mechanic after the jam. Once you understand this mechanic you should be able to complete the entire game barring one obstacle near the end. Good luck! :)