japanese rpg fantasy illustration, clean 2d anime characters, highly detailed 2.5d semi-realistic background, epic battle, masterpiece. background: a colossal faceless grey knight swinging a massive rusted greatsword downward. foreground: the 4-member party fighting fiercely. the human knight is swinging his longsword directly at the giant knight's leg. the elf archer is shooting an arrow directly at the giant knight's torso. the human mage is casting a fireball directly at the giant's face. the catgirl rogue is dodging flying debris. explosions, dust clouds.