Synopsis: A Dragonslayer's Peerless Regression

At the moment of his death, mysterious words appeared before his eyes: [The soul of an Elder Dragon is engraved upon the will of the one who persists.] [An irreversible, promised power is being activated.] When he regained consciousness, he found himself back in the Dragon Slayer family that had abandoned him, 20 years in the past. "If I can become strong, I’ll make use of anything and everything." Armed with a newfound, immortal power, the legend of a Dragon Slayer in a class of his own begins.