Powder Gauge
Official Lodestone Job Guide (Always up-to-date)
Powder Gauge is Gunbreaker's Job Gauge.
Powder Gauge
Upon learning the action 
Royal Guard, a symbol will appear on the screen indicating when it is in effect. Royal Guard increases enmity gained from using other actions.
Upon learning the trait 
Cartridge Charge, the symbol which indicates the use of Royal Guard will change to also display the Powder Gauge.
The Powder Gauge displays the number of cartridges in your gunblade, which are acquired by using combo actions such as 
Solid Barrel and 
Demon Slaughter (acquired at level 40). Cartridges can then be used to execute several actions such as 
Burst Strike (acquired at level 30) and 
Gnashing Fang (acquired at level 60).
Players will have access to a maximum of 2 cartridges starting at level 30. This upgrades to 3 cartridges at level 88.
Simple Mode
Royal Guard (Active)
- The gauge cannot be displayed in simple mode until learning the trait
Cartridge Charge at level 30.