Chaos Alchemist

Due to being marked with a divine seal by an ancient God, Gu Yun's spiritual strength waned and he went from being a prodigy to a lowly handyman. The consequences of his weakened power were not limited to him as his father was unseated from his role as the head of their family and imprisoned by their enemy clan, Feilu. Nevertheless, Gu Yun swiftly discovered a hidden secret within himself and began cooperating with the ancient God who dwelled inside him.
Source: Bilibili Comics