Today,when I log in the heroic and open the treasure chest of the arena(4700 points),hint me connecting

Issues/Bugs
1

Today,when I log in the heroic and open the treasure chest of the arena(4700 points),hint me connecting.Then I log in again ,I find I get gold coins and runes,but I find I haven’t get any cards. My ID:Darkness Free
Can you tell me what I get

2

Can you tell me what’s cards I get from Immortal Grounds chest