So here's my Lego Bionicle Krana display! : r/bioniclelego
LEGO Bionicle Bohrok | Brickset
Rarity level 8/10❗️Authentic LEGO Bionicle exclusive White metal Krana Kal promo piece, also called WMKK. They're almost impossible to find these days and only 5000 have been produced + around 100 spares! :
Lego Bionicle KRANA Assorted Rubber Mask 42042 - Lot C | eBay