I'm the Slit-Eyed Character at the Academy, but I'm not the Mastermind - Chapter 211

Ye Qiu transmigrated to a world of barren wastelands. He obtained the 10,000 Fold Return System.

In the world of Norse mythology, a human boy falls in love with Waltraute, the fourth Valkyrie sister. He wishes to marry her, but Waltraute gives him an impossible challenge to deter him.

Nevertheless, the boy is determined to carry out the dangerous task and to marry Waltraute afterwards.

This is an alternate history. Decades after the fall of the Eastern Jin Dynasty, the world is still in chaos, although there is hope for reunification.