User blog comment:Healingmantra/New attribute for supports/@comment-5035765-20161206010604/@comment-1330314-20161206064258

At this point in the game, though, the only class in the game that cannot easily obtain CDR are tanks. There are several items that give 20% CDR to fighters, mages, etc., and the marksman version can give 30% CDR in one slot. Cooldown reduction is not a stat bound to any class.