Talk:Perpetual Vortex/@comment-111.125.197.34-20160314195532/@comment-50.110.212.1-20160515195503

nah, it means that if you have say a 30 sec duration, casting it again will make last 45 seconds ( 50% at rank one) or 51secs (70% at max rank)

This way you can have one vortex that lasts a long time, instead of a bunch that would never last longer than your duration.