City of the Fallen Sky

Alaeron, a former alchemy student of the Technic League, escapes his dark past with mysterious devices in tow and finds solace in a distant city, crafting potions. However, his life takes a dangerous turn when he rescues an adventurer named Jaya, drawing the ire of a powerful crime lord. To survive, they must embark on a perilous journey across seas and jungles in search of a wrecked flying city and its magical artifacts, all while evading an assassin sent by the vengeful Technic League.