Can't find last gem

[belcoot]

Hey everyone,

I have been backtracking for a while now trying to find where I missed a gem. The only place I can really think of is Twigroot Tunnels. When you first encounter the leprechaun and have to fight him in that room, there is a key whole that I don't think I ever put anything in. I searched that area a couple times to try and find a key but I can't find anything. Not sure if that reveals a power gem, or honestly maybe I did use a key there (don't think so though). Going a little nutty. I didn't write down where I found them all sadly either. (I have checked bog, pyramid, crystal caves, and a lot of places in between, I guess I will check Desarunes now).

Just want to make sure I didn't miss anything there.

[belcoot]

SpoilerShow

Just read that there is a gem in the castle, kill me now lord

[itsmemario]

It is not the best help... but normally you can see or hear the gem. I dont recognize one i cant see or hear except the gems from bosses.

EDIT for your second post..... as i said. Bossfight there gives you a gem.