“The Duelist’s Code” is a novel by Tim Volkov, the second book of the eponymous cycle. Genre: bojar anime, portal fantasy (isekai) into magical worlds, alternative history. An old tower located on Alexander Shpagin’s estate acts as a gateway to other worlds. But what hides behind each of its doors—friend, enemy, a monster wanting to seize the world? Shpagin, guided by the duelist’s code, continues his path and development, because the code says: once you shoot, don’t regret anything else.