The Battle Pass is a way of receiving rewards such as clothing items, Player Icons, gold, roses or talismans. You must purchase the Battle Pass for 1200 gold before you can earn items by receiving Experience Points from games. It takes 740 XP to get a tier or you can claim a tier with 200 gold. There are 100 tiers to collect and 60 days to get them.
There have been 8 Battle Pass seasons so far. The current Battle Pass season is Season 9.