This additional rule is being pulled from the RPG called Blades in the Dark.
Blades in the Dark focuses around criminal organizations and gangs which work together over long periods of time. Rather than focusing on an individual character, the story focuses on a crew as members of the crew enter and leave, due to retirement, death, extensive trauma, or some other factor. A Crew receives its own character sheet and describes the characteristics, status, reputation, assets, and abilities of a crew.
This rule is meant to add a similar option for D&D 5e.
Creating a Crew
Players begin character creation by building their adventuring group…