- Male lead: Lin Yao (reborn as an Earth pony with a pale blue gradient coat, retaining human thought and possessing an extraordinary ability to sense energy. His goal gradually shifts from "uncovering the truth behind his transmigration" to "protecting Equestria")
- Female lead: Ziyue (head of the School of Friendship, an intelligent unicorn. Her relationship with Lin Yao develops from "mentor and student" to "comrades in arms" and finally "soulmates." Her magical abilities grow stronger as the story progresses)
- Beyond Ponyville, Crystal Glow Flower Sea, and the Frostsnow Mountains, the world now includes new locations such as the "Stardust Realm," "Shadow Rift," "Deep-Sea Tribes," and "Skyborne City-States," as well as new races such as the "Elementals" and "Crystal Ponies," in addition to Earth ponies, unicorns, and pegasi.
