Agreed . BUT , the reward must be very high.
Like , 1 star achievemnt - 3 premium boxes
2 star - 5 or 10 premium boxes
3 star - 25 premium boxes
Imagine this sitaution . You have a 99 win streak (no quits) then in the middle of the 100th battle (achievemnt no quiting) your internet dies or game crashes , the streak will be reset.
Also it would be nice if it like added 1 to the streak of not quiting EVEN if you lost. y know always good