Razor-Edged Protosteel Shield

The Razor-Edged Protosteel Shield was a tool used by Nuparu Mahri. Nuparu used it to channel his Elemental Powers of Earth, protect himself from attacks, and could also use it cut through many different things with its edges.

In BIONICLE: The Legend Reborn, Ackar had several prized shields hanging that resembled them.

Set Information
The Razor-Edged Protosteel Shield was included in the Nuparu Mahri set released in 2007'