Here we add sparks to an enemy hit. This utilizes prefabs, timeouts, and an ellipsoid particle system. We'll experiment with spark-like particle settings, but feel free to create your own!

Another effect to add to your “enemy hit” event is a metal impact sound. This uses the Audio Source Component and a prefab with a timed object destructor script.

We give the enemy a voice in this chapter by adding brief grunts and statements that get played at random once an enemy's hit. We'll use Audio Sources again, but we'll also create custom scripts to randomize the audio clip and the clip's pitch.

The knights are sitting ducks at this point, so we add some lateral movement and vertical bobbing above and below the water plane.

We have to create a system of levels that spawn more and more knights as the game progresses. We'll have to track the total enemies in play and then instantiate more enemy prefabs once they're all gone.