I refer to her arm found in Alex's purgatory,even then,the knife is a beginners trap for explorers.
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Yeah. When I got the knife item for the first time I just use it and I died. Yep especially you got the knife when you appear in the last part of the game. Also did you know that on the last part. You need to go through each room to make the timer reset because if the timer pass 666 seconds the game will crash.