…in addition to Projectile Avoidance. Leave the penalties as they are. Lore can just be “slowing everything in its area” or something.
I don’t think it’d be a stretch to argue that most believe Null Field isn’t really worth taking anymore, ever since it got the Attack Speed penalty added to it. But rather than suggest returning to a pre-nerf variant, I’d rather build off of what we’ve got and lean into the transmuter as a defensive powerhouse option, rather than the offensive supplement it used to be.