Originally Posted by twilightdream

The coin boost count in time you run map not duration.
When you reach count limit boost will worn out even timer still running.

During Febuary I always left 15 mins+ on boost duration but boost effect already gone.
After that I never use it, just only run normal map to collect coin.

PS. During our current event the busty stamp rally or what ever it's name I don't care.
On DMM they do held coin boost campaign for 1 week.
You will get more coin from every map you run 1.5 time from normal.
But no something like that on Nutaku since it's Namely server hahaha.

Wait, the boost is only good for X number of runs or an hour, whichever comes first? That is not only news to me, it isn't at all reflected in the description of the boost. Interesting.