No. You and teammates can instaspam constant nades with sof without you having to use radiance. you can't instantly throw a nade every second if your not already radiancing or if your friend isn't providing radiance and song of flame. You can throw nades Close to every second, but you can't just keep spamming constant grenades. With 3 of us running sof, it's like mortar fire while just standing together and throwing a constant barrage of solar nades