Lost Alpha: Fighting for Freedom

An ABO universe but it's set in a post-apocalyptic and dystopian world. Where Omegas are royalty and possess arcane magic and Betas are considered regular folks and/or soldiers for society. Not giving any Alphas an advantage to make a stand, The Alphas are looked down upon, Only used as breeding farms for the population and used for manual labor to help build the society and nothing more. Liam the protagonist wants to go home but he is not sure where or how to get there.