Elliot is a Pokemon biologist who specializes in grass and fairy types' anatomy. He yearns to unravel the mysteries of both of these types and answer why they have such a great affinity with mother nature. One fateful night, Elliot had a dream about the legendary Pokemon of Life, Xerneas. It is said that once Xerneas horns glow in seven colors, she is sharing eternal life. However, in Elliot's dream, Xerneas only had one of her horns glowing. Soon after, malignant thorns started to protrude from the ground to drag him down the earth. Together with her travel partner Bailey, they will try to uncover the mysteries of Xerneas and her thorns while making grand adventures and discoveries.
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.