So I ran 5 hrs for 10 plat per lix= 50 plat. I had 5 2x boss loot for 20 plat each.
SO I spent 150 plat to run 5 hrs in event and I dropped one hero pet.
Store chest are 30 plat..no limit..and they drop 1 hero every other chest...plus gear.
Id rather just open chests.