Nope nope nope. It just means the buff will be there 5 more seconds before it expires. If you haven't found out yet, yup, chain cast expires! (so it's not worth empowering!)
I found out by accident once.. I used chain cast by accident, but there were no mobs, so I stood around waiting before I use it on nova or some skill that's worth it.. then the icon disappeared and it didn't work T_T"
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