You can increase Mastery by upgrading the weapon.
Mastery has 4 stages: Novice ▶ Skilled ▶ Expert ▶ Master. As your Mastery increases, the number of uses available for your Unique Weapon Skill will also be increased.
OVERDOX
You can increase Mastery by upgrading the weapon.
Mastery has 4 stages: Novice ▶ Skilled ▶ Expert ▶ Master. As your Mastery increases, the number of uses available for your Unique Weapon Skill will also be increased.