Faction Wars are a PvP mode in Mortal Kombat Mobile. In this mode, you can fight with AI versions of the player's real team. For winning the Battles of the Faction War, you get a unique Currency (Kunai) that affects your Ranking in the Faction Leaderboard!
Depending on the Rank achieved at the end of the season, the player receives a reward, Rubies, Gold, Souls, Equipment, and Character Cards of Gold and Diamond Rank!