Chapitre 181: Farewell to the Clear Sword River sect (2)

He got thoroughly exploited down to every cell in his body for decades. His parents had died during that time period due to the strains the art had on their bodies, leaving their son to continue on the family's job. 

That dark alchemy organization got attacked and destroyed at some point by another competitor and as luck would have it, that founder survived and became one of the spoils of war.

For the next twenty or so years, that founder bounced from organization to organization as those organizations either got attacked or a natural calamity befell them, leaving that founder as the only survivor.