Talk:General Tips/@comment-2600:1014:B063:D4F0:412E:2AC2:635B:41CB-20190619041302/@comment-2A02:C7D:8C11:5400:8D00:832E:1E89:5AB-20190803184305

heroes are upgraded the same way as troops are upgraded. Note that you need to collect hero cards to upgrade beyond certain levels.

Modules and artifacts also boost certain features of each hero.