I made a basic set of rules for all of the Civil Abilities including Loremaster. Feel free to use it or borrow from it:

https://docs.google.com/document/d/10RYWl6cDM1_x1KWIT59l3kHrtLXMDI5PIWvjMWp3wn0/edit?usp=sharing

Custom GM Mode Levels Mod Add-On (Steam)(Nexus)