The Battle Cats secret form that moves fast, attacks fast, spits acid and is a spammable advent. Only costs 100 cents and has a boss stage where you fight it in enemy form. The enemy form moves fast attacks fast and spits acid and is a spammable advent. The Battle cat is dropped from the follow-up to the boss stage at a rate of 2%. The follow-up stage is where you fight the enemy that is evolved where it moves swiftly, m attacks quickly and, spits metal. 10/10 best unit that is also a spammable advent. acid