Let's add any easy frame-based animation system to the game. You could use this for characters instead of MeoMotion if you wanted. Here, we'll use it to spawn explosions (or some other animation effect) when monsters are defeated. The advantage of this type of animation, is you can precisely edit every single frame in an art program like Photoshop (or another good one like: Clip Studio Paint or Krita (free) or PaintTool Sai)