Board Thread:Card Unit Builds/@comment-220.255.1.175-20150821105538/@comment-25435121-20150821152858

At level 200 you can have a minimum DC of 227

A single max level Barracks will give you another 46 DC. You can have 3 Barracks, so a total of 138 from that.

227+138 = 365 completely free DC

In the shop you can buy up to 110 more DC for a total of 475 which will cost 1100 jewels for all of it.