Arc 19The Star Dragon Tower
Xu Xingyu proved himself to the Dragon Clan, reunited Ya Lin'er with the Earth Dragon Ancestor, and helped the Dragon Emperor hatch his daughter Sidong. He entered the Dragon Graveyard with Gu Qiuxi, reclaimed the Dragon God's legacy, built the Star Dragon Tower, and left the arc with a new Bloodline Soul Core.
- Xu Xingyu and his companions defeated the Earth Dragon Ancestor's challenge, and the Dragon Emperor recognized Xu Xingyu as the Dragon God Inheritor after the dragon-head seal responded to him.
- Xu Xingyu revealed Ya Lin'er's identity to the Earth Dragon Ancestor, and Ya Lin'er reconciled with her father after sharing her mother's letter.
- Xu Xingyu learned of the Dragon Clan's troubles and helped the Dragon Emperor and his wife hatch Sidong by guiding Earth Dragon King energy through a bloodline link.
- Xu Xingyu named the newborn Sidong, then comforted Gu Qiuxi when she confided that she wished for a family of her own.
- Xu Xingyu and Gu Qiuxi entered the sealed small world beneath the Dragon Graveyard and found a wasteland filled with dragon remains and Dragon Souls.
- Xu Xingyu and Gu Qiuxi encountered the Dragon God's Dragon Soul, received its crystals, and Xu Xingyu absorbed the Dragon God's Heart as Gu Qiuxi gained control of her Golden Dragon bloodline.
- Xu Xingyu joined with Gu Qiuxi and the Dragon God's Dragon Soul to build the Star Dragon Tower, gathering the Dragon Souls and remains to complete it and the Divine Dragon Pool.
- Xu Xingyu stored Dragon Cores and Soul Bones in the Star Dragon Tower, fused with three Dragon King Soul Bones, and formed his Second Soul Core, the Bloodline Soul Core.