Wrapping the hook around the chain with a well-placed toss, Grimmgang gives it a tug, and the platform lurches into motion, swinging slowly across the chasm and coming to rest next to the centre platform. The mechanism seems to be in passable condition.

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No one's saying anything, so let's just get the workings of the thing out of the way.

Platform's currently under the second chain, roughly where you'd expect it to be were someone to use it to cross.