Ling Jian fights a decisive battle against the Evil Sovereign and suffers devastating injuries. On the brink of death, he awakens the true origin of the Sword Ancestor and defeats his opponent with the ultimate sword intent. Paying the price of his lifespan, he protects the Sword Domain. After the battle, he reorganizes the sect and makes arrangements for everyone before heading alone to the Outer Heavens to guard the rift. Su Qingyuan relinquishes her position as Saintess and journeys to the Outer Heavens to find him. Together, they use their sword intent to forge an eternal barrier, joining forces to stop the extraterrestrial evil forces and protect the Sword Domain's peace for all eternity.