So here's my Lego Bionicle Krana display! : r/bioniclelego
8600 Krana-Kal - Brickipedia, the LEGO Wiki
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! :
Amazing LEGO Collections: 144 Bohrok Krana / Kal masks including rare White Metal Krana-Kal
LEGO 8597 Bionicle Krana Nuva | BrickEconomy
Lego Pearl Dark Gray Bionicle Krana Mask | eBay
LEGO Bionicle Mata Nui Bohrok of Earth 8561: Nuhvok (complete with Krana) 673419018708 | eBay
LEGO Flat Dark Gold Bionicle Krana Mask Za | Brick Owl - LEGO Marketplace
Lego Bionicle - Krana Mask Ca Green (Part #42042Ca) | eBay