After being reincarnated, Seiya Ryuguin had forgotten all his memories. But he vaguely remembered that he had failed once before, and that he had to be twice as cautious. If he was not cautious, those around him would be hurt.
He had written caution into his instincts. Even against the weakest Slime, he would unleash countless ultimate moves, only relaxing after confirming it was truly dead.
That unbelievable caution was bought with the lives of his wife, child, companions, and himself in his previous life.
Umaru Doma: "It was precisely because Seiya Ryuguin's caution was meant to protect his companions that he could not accept using a companion's life to obtain Eksulution, the strongest Holy Sword in the world."
Earlier, Su Yunqing had only said that Seiya Ryuguin had failed to obtain the Holy Sword and had ultimately defeated the Demon Lord by using the Ultimate Destruction Technique, Heavenly Prison Gate, which he had learned from the God of Destruction, at the cost of perishing together with him. She had not explained why Seiya Ryuguin had failed to obtain the Holy Sword.
At the time, Umaru had wondered why Seiya Ryuguin had not obtained it. With his cautious personality, he should never have let go of the only weapon capable of harming the Demon Lord.
Even if it merely increased his own strength, he would not have passed it up if it could add even the slightest chance of victory in his battle against the Demon Lord.
Yet in the end, he had not obtained the Holy Sword. That completely went against Seiya Ryuguin's character.
Only after watching the Memory Copy did Umaru understand the reason.
As the Hero, Seiya Ryuguin had two companions besides the goddess Listarte: Mash, who possessed Dragon Blood, and Elulu. Although Seiya Ryuguin treated the