In animation, moving the arm without shoulder engagement can make it look disconnected or "broken," lacking natural flow. Adding shoulder movement supports the arm, creating a more believable, anatomical motion that reflects how bodies move in real life.
@DeadlockAnon It's already the case in some language.
In the french version, heroes are called "Occulist", who i think suit them nicely! (Ritualist is a good name too tbh)