Talk:Master Level/@comment-28373305-20170227220955/@comment-1625009-20170416115730

consider this:

5 slots for servant (with the support costing 0)

a 5* cost's 16, with a 5* CE 16+12 = 28

28*5 = 140

so hitting level 140 (or rather 137) gives you all the cost-capacity you will ever need.