Larian Studios Forums Beyond Divinity (English) Help/Tips/Tricks Possible Spoiler?

I can't find keys for 3 final BF's in act 2.I am ready to go to act 3 but I have only opened the first 2 BF's. Is this a lost cause or are they hidden someplace?
TIA for any HELP

Spoiler for ACT 2 BF keys:
<span class='standouttext'>Spoiler : </span><span class='spoiler'> BF 1 in prison/critter
BF 2 pit in Imp village
BF 3 Little Mushroom Forest, SW bay, guarded
BF 4 Lich cave in Mushroom Forest
BF 5 Spider cocoon near the Spider Queen
BF 6 lava cave, dwon in south fire area </span>

Please, highlight to read.
Kiya

Thank you Kiya
Other than the fact that I was standing right in front of one of them,your help is greately appreciated.