Ehlek wielding his Protosteel Tri-Talons.
Toa Mahri Hahli, with her Protosteel Talons
Protosteel was the Matoran Universe'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.
Known objects made of Protosteel[]
- Ehlek's Tri-Talons
- Takadox's Twin Knives
- The Toa Mahri's Cordak Blasters
- Toa Mahri Hahli's Protosteel Talons
- Toa Mahri Nuparu's Razor-Edged Protosteel Shield
- Maxilos robots and their twin-bladed black fire swords
- Pohatu Nuva's Twin Propellers
- Lewa Nuva's Air Saber
- Kopaka Nuva's Blizzard Blade
- The Toa Phantoka's Midak Skyblasters
- The Toa Mistika's Nynrah Ghostblasters
- Most (if not all) Order of Mata Nui weapons
- Daggers used by Lariska
- Makuta Kanohi, weapons, and armor
- Adaptive Armor
- A long thin blade given to Takadox
- A broadsword given to Carapar
- A spear and dagger given to Vezon
- An axe used in the Parallel Universe by Pohatu
- Skyfighter
- Swamp Strider
- The Rockoh T3
- The Jetrax T6
- The Axalara T9
- Botar's double-bladed axe
- Axonn's Giant Axe