Technical Weapons Expertise

General Feat (Prerequisite: Level 4+, Intelligence 13+)

You gain the following benefits.
    Ability Score Increase. Increase your Intelligence score by 1, to a maximum of 20.
    Custom Engineered. As part of a Long Rest, you can tinker with up to 2 weapons and give them a mastery property that the DM agrees with. This property only functions while you wield this weapon. This property lasts until your next Long Rest.