Traits is a new addition for Reskillable and makes it so you now can lock things behind a required Trait. Traits are similar to Skills in the way that we've moved them over to a Resource Location instead of a name to allow for more robust extendability. The Trait Syntax is as follows:

 Copy
Example:
trait|ResourceLocation

Working Example:
trait|reskillable:battle_spirit

You can find the Traits's ResourceLocations under: Skills & Traits