Toys
 

Protosteel

From Lego Bionicle

Ehlek wielding his Protosteel Tri-Talons.

Protosteel was the BIONICLE world's strongest known metal. Bladed weapons made of Protosteel could shred through virtually anything, even Makuta armor. It is believed Protosteel was first made on Artakha, and then given to the Order of Mata Nui to use.

[edit] Known objects made out of Protosteel