Zereus steel

Zereus Steel is a uncommon steel found on Tu'Vol and it is forge into weapons and armor by Tu'Volian. When properly heated and forged, Zereus steel is nearly unbreakable. Few forgefathers know even how to forge it and even fewer are masters at doing so. Zereus steel has been used for weapons and armor for centuries by the Tu'Volian. Once the Tu'Volian has made said weapon or armor, it is kept around for thousands of years. Being past from one generation to the next and so on. They keep it's use to very basic archaic weapons and armor. Famously used by Valtanna in the form of a Zereus steel baton.