
Based on this it says you need 75 uru / 7 runs to go from tier 8 to tier 9. I accidentally did 1 extra run of tier 7 which gave me 10 uru.
Does this mean I now only need 6 runs of tier 8 since the additional t7 run gave 10 uru? Or do i still do 7 runs of tier 8 as suggested from the picture above?