You see a big structure called the Synthesizer, it looks… fascinating… it is next to another structure called the Attunement Structure where you can attune critters called Meebs, they can be either a plasma, shadow, mech, crystal or poison Meeb. You decided to choose the following elements: Plasma, Shadow and Mech and used the Meebs for the Synthesizer, it created an egg inside of it and that egg belongs to a species of monster called a Yooreek