[Test] // Enemy FIRE Spell against Kraken -> expect 0 enemy Dmg
        public void CalcEnemyDamage_AgainstFIRESpell_ReturnsInt()
        {
            //Arrange
            Kraken    leviathan  = new Kraken();
            FireSpell enemySpell = new FireSpell();
            //Act
            int enemyDamage    = enemySpell.CalcDamage(leviathan);
            int expectedDamage = 0;

            //Assert
            Assert.AreEqual(expectedDamage, enemyDamage);
        }