Before jumping onto the DanMachi Season 3 let’s revise the plot of this anime (Dungeon Ni Deai Wo Motomeru no Wa Machigatteiru Darou ka) The story takes place in a world where gods descended long ago in order to find excitement and inspiration. They decided to reside here in the human world for the rest of eternity by sealing away their divine power and living a modest life, surrounded by all the discomforts of the human world. (Check: Seraph of the End Season 3 Release Date)
DanMachi Season 2 Plot:
The only thing that the gods could offer in their earthly state is the power to fight and defeat monsters. The people who receive this gift become Familia and get a direct relation to a god.
The main character Bell belongs to the Hestia Familia, where Hestia is the goddess. One day inside a dungeon, Bell is close to getting killed that a girl “Aiz Wallenstein” saves his life.
The young boy immediately falls in love with her. He wants to know if she has another partner or something but immediately realizes that even if she didn’t have any other partner. The chances of him being one are pretty much close to zero. However, thanks to his feelings of love, he acquires a new skill which is to gain experience points at an unreal rate.
And from there on out, his journey to becoming the best adventurer in the town starts, The season 2 (Is It Wrong to Try to Pick Up Girls in a Dungeon? II) also airs four years later in 2019 which means it aired summer this year. They also give a preview movie (Dungeon Ni Deai Wo Motomeru no Wa Machigatteiru Darou ka Movie: Orion no Ya) in which a high tier goddess appears and she is in search of a champion to counter a threat, instead of choosing the legendary sword princess (Ais Wallenstein) or the strongest man to ever enter the dungeon (Ottar) she chooses Bell, who is still a newbie and a Familia of a low tier goddess.
The purpose of this anime is world-building and character development just like any other anime that takes place in a fantasy world. Bell continues to improve himself, now as a guild member and with a formidable party.