There might also be a villainous character who wants to use the chaos of the end of the magic era for his own gain. He could be trying to hoard the remaining magic or use it to take over the world that is in disarray due to the waning of magic.
Well, in this kind of novel, there could be a female protagonist who is a seer. She may have seen the end of the magic era coming in her visions and is now trying to guide the people through this difficult transition. There might also be a villain, a former magic - hater who now sees an opportunity to take over in the chaos. And then there could be a young apprentice who was just starting to learn magic when the era ended and is now confused and searching for his place in the new world.
The main character is [character name]. He is a young mage who has to face the challenges of the end of the magic era.
Clavdia Chauchat is another important one. She has a special relationship with Hans Castorp. Her exotic and free - spirited nature attracts Hans, and their interactions are an important part of the novel's plot development.
The professors are very important. They teach the students magic and pass on their knowledge and skills. For example, a potions professor who knows all about brewing magical elixirs. Then there are the star students. They are often the ones who are really good at magic and might be leading in various competitions or quests.
Dazai is obviously one of the most important characters. His actions and thoughts drive much of the story. There is also Oda Sakunosuke, who has a significant influence on Dazai's development.
Captain Stanhope is an important character. He is a complex figure, a brave leader but also haunted by the war and his own inner demons.
Yuichiro Hyakuya is very important. He is a determined and vengeful character, driven by the need to take revenge on vampires for his family's death. Mikaela Hyakuya is another key character. He has a complex relationship with Yuichiro. Guren Ichinose also plays a significant role. He is a leader figure among the humans and has his own secrets and motives.
Alice herself is surely an important character at the end. She might be the central figure around which the final events of the novel revolve. There could also be a mentor - like character who helps her reach a certain conclusion or understanding at the end.
There could be a young and inexperienced magus who is thrust into the events surrounding the end of the era. He or she may have to quickly learn and grow in power to face the challenges. There might also be an old and wise magus who has seen the decline coming and has been preparing for it in some way.
The magic gourd itself can be considered an important 'character' in a way. It has its own power and rules for granting wishes. It is the central element that drives the story forward.