Gemstone Potency

Description
A good king inspires and empowers his

Red Skill
This skill is attached to the unique crafting component Jewel of the West.

Effects
Gems on the same weapon as the Jewel of the West have their elemental damage proc chance increased to 100%.

In reality, it shows all elemental procs on the weapon as having 100% proc chance, but it seems to not increase proc rate at all. Whether you have Pyromastery or Cryomastery or not, the odds of the elemental damage don't seem to go past 20% even with this gem.