851.5K quests & focus rewards, and 10.1M chests have been analysed.
From 1.7M chests of DEC , here is the average amount received : 150.
From 24.5K chests of Credit , here is the average amount received : 25.
From 617.2K chests of Merits , here is the average amount received : 109.
From 1.6M chests of SPS , here is the average amount received : 6.
Alchemy 50 
Legendary 50 Reward cards, rarity statistique.
Common, Rare, Epic, Legendary.
Reward cards, gold statistique.
2.8
Regular, Gold.