Board Thread:Questions and Answers/@comment-81.83.138.98-20180924143102/@comment-33532122-20180925231758

202.138.251.122 wrote: If you dont open the boxes in your inbox which contain H2H fighters,  after the H2H season has ended, will they be still in your inbox? Or do you have to open all current season prizes before it ends? You can keep the boxes no problem. I always open my boxes in the next season, after rank 15 and only when I have more than 3 active challenges and zero energy. I never open all the boxes at once.