The Platonic Solid

Thanks to this unusually generous, we know that The Platonic Solid is the name of the Andronicus Valois wields as The Storm King. The King received it from Queen Albia of England, but its ultimate origin is unknown.

The Orcs Jägermonsters refer to it as Smasher.

See also: Archimedes' Lever

Possibly relevant outside information
The usual meaning of is one of the five regular three-dimensional shapes.

Glamdring was the sword known as “Beater” by the Orcs.