You have a natural affinity for Aetherium, allowing you to channel its energy with greater ease and control.

• You gain proficiency in one tool of your choice that uses Aetherium.
• When you make an ability check using Aetherium, you can add twice your proficiency bonus instead of your normal proficiency bonus.
• You can expend one Aetherium charge to gain advantage on a saving throw against an effect caused by Aetherium.