Talk:Edo Castle Infiltration Investigation/@comment-168.99.197.19-20170322181354/@comment-23.30.154.121-20170322202739

The average is about 15 keys per run, factor in the times you do get kicked out due to reasons. You get 2x free refill a day as long as you keep on on using them. That's 3*15 = 45 per refill. You'd need a total of 23 refills all together to open all 200 chests.

There event duration is 20 days.