Reference
Epic Chests can be won from battle, but they're incredibly rare!

Heal

Heal
Heal your troops to keep them in the fight! Friendly troops are healed over time while in the target area. Doesn't affect buildings.

Upgrade

  • Upgrade
Level Level
Cards Cards
Experience Experience
Gold Gold
1
2
6
50
2
4
10
150
3
10
25
400
4
20
50
1000
5
50
100
2000
6
100
200
4000
7
200
400
8000
8
400
600
20000
9
800
800
50000
10
1000
1600
100000
11
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