Template:InfoboxThe Crystal King is a giant-monster from the Lego series, Power Miners - it is considered the largest knownRock Monster and is the titular antagonist of a set modelled around itself.

In-Universe Description

The Crystal King, king of the rock monsters, has awakened – and he’s not happy! With his spiky stone armor, crushing grip and mysterious crystal energy powers, the Crystal King is the most powerful foe the Power Miners have ever faced. Will a power drill and their wits be enough to save the day