Chapter 1-A mysterious begining

Like every Mysticon has her own featuring story (except from Piper and I'm still waiting for it cosmoverse), this is mine little story. The Mysticons discovered that the first Mysticons had hid a big secret. Are they going to find it? What is the secret? And if they find it, can they keep it that way? Let's find out. (This book is between the episodes "Monster Hunt" and "The Princess and the Pirate").

3# Mysticons: 02/06/2021