Credit to
@_Sham_“ Apparently you have to do at least 1 run through tier 7, 8, and 9. So do 25 Runs now in tier 6 but don't buy Caskets 6 now or you will be moved to tier 7. Just keep doing tier 6 and only buy caskets after 25 runs. Then try doing 1 run in each tier at the end once you bought casket 6.”
Would this Strategy Work?