A human named Zoldeo had illegally used "Human Subordination" magic to fuse his body with Capricorn 17 years prior, allowing him to stay in the human world and serve Grimoire Heart.
The episode highlights the deep connection between the Heartfilia family and their Celestial Spirits, specifically Layla's wish for Capricorn to protect Lucy in the future. Battle Summary Combatants Key Magic Used Loke vs. Caprico (Zoldeo) Regulus (Light Magic) vs. Human Subordination Ongoing (leads into Ep. 108) Natsu & Group Fire Dragon Slayer Magic Encountering various Grimoire Heart members 🐐 Key Takeaway Fairy Tail Episode 107
Loke realizes Capricorn is being possessed and engages him in a spirit-on-spirit battle to free him from Zoldeo's control. A human named Zoldeo had illegally used "Human