http://www.pcgamer.com/paladins-players-angry-over-new-loot-box-based-progression-system/

Hi-Rez Studios is testing some big changes to its free-to-play hero shooter Paladins, and an awful lot of players are not very happy about it. Essence, the in-game currency the studio rolled out early this year to much complaint, is gone, but it's been replaced by a loot box-based system that critics say will force players to either grind their faces off or spend real money on chests. 

The new system, called Cards Unbound, unlocks all cards in the game—Basic and Legendary—for all players. But those cards now have levels, from 1 to 5, which can be advanced by collecting duplicates. And you will definitely want to upgrade them, because the power differences between level 1 and level 5 cards are significant: Evie's Cold Acclimation card, for instance, reduces self-damage from weapon backsplash by 20 percent at level 1, but goes all the way to 100 percent at level 5.