3. Merge & Upgrade Creeps
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Each creep can be leveled up by merging duplicate cards collected by opening packs. The amount of duplicates needed will scale depending on the level of the creep. In aidditon, you need gold to complete the upgrade.
lvl.2
2
lvl.3
4
lvl.4
10
2
lvl.5
20
4
lvl.6
50
10
lvl.7
100
20
2
lvl.8
200
50
4
lvl.9
400
100
10
lvl.10
800
200
20
2
lvl.11
1000
400
40
4
lvl.12
1500
500
50
6
lvl.13
3000
750
100
10
lvl.14
5000
1250
200
20
