The preparation for the shooting of the teaser took about two months. The team was preparing seriously and carefully, it was important for the producers of the project to take into account all the details described in the series of books, the adaptation of which is the “Aeterna project”. The main part of the preparation, in addition to adapting the literary text to the script format, was the development of costumes and weapons, the choice of locations, as well as mater-classes that the actors went through with a fencing teacher and many meetings and discussions of the upcoming shootings.