The opacity of the glowing buttons: a curve result the client computed from a hidden value (see ValueCurvesService), or a number; undefined is the glow's own opacity again.
Glows the buttons of these spells in the color; an empty list clears.
The opacity of the glowing buttons: a curve result the client computed from a hidden value (see ValueCurvesService), or a number; undefined is the glow's own opacity again.