Please Xian Dianyi, Zhong Li recognized me as a disciple of the end

Bai Ye travels to the world of Tivat, there is no system, no cheats, only the remnant soul of a demon god to be his grandfather to teach him mechanics and fairy arts.
But the demon god who has lost his memory has already forgotten his identity.
Until the invitation ceremony, a certain old man who was watching his 'death' in the dark saw Bai Ye's ability.