Board Thread:Questions and Answers/@comment-60.241.90.76-20130115213217/@comment-172.6.144.188-20130117214833

yes the effects stack. you can only have one ring on each pedestal (as the above person interpreted you), but if you have many pedestals all with the same ring, they'll all do their job. so an offensive type, all the pedestals will be killing mobs. the time one does stack, up to 10x the speed, as the page says.