hmm.. idk about in other dbo version. cause, in korea. dogi 100% cant break if using that dogi upgrade.

In the tw one the stats last forever but you have a chance of braking your dogi found that out the hard way put it and and my dogi broke now all I have is the goku dogi and it's just not quite right on a namekian still okay though just not the best

update:

for rank 1 reward is dragon ball
- 3 dragon balls (2,4,6) blue box
- 4 dragon balls (1,3,5,7) red box
- 7 dragon balls (1,2,3,4,5,6,7) golden box