My favorite thing about Summoners War has to be the runing option (not so much the farming portion). Having a unit runed in a specific way could completely change the usage of the unit, which I thought was a pretty unique system.
My Favorite thing about Summoners War is the UI how clean it is a good game can be hallmarked by its ui as well as its game play clunky ui or unresponsive ui are not good for a game