Sometimes people just like a little nudge and keeping the hints vague is enough for that. If you need more than that nudge, there's no shame in asking for more help.
×The big thing to focus on here is the waterskipper. If you try to go around it, it kills you even if you have the speed potion.
The adder can't eat it, due to the force arrows. The decoy can't kill it, due to the oremites. There's an orb that turns on a firetrap under it, but the decoy can't hit that orb because none of the tiles near it are valid placement options.
The only possibility left is that you cross the oremite loop going through the other side. But the adder is too long for that to work.
And that is the problem the decoy can help you solve.
If you're confused as to how...
Click here to view the secret text
×Decoys can be placed on firetraps. They won't last long, though, so make sure the target is in place at the time.