A popular 'Baldur's Gate 3 Fanfic' is 'The Shadow of the Absolute'. This fanfic takes the main plot of the game and twists it in an interesting way. It adds new elements to the story, like a hidden cult that has been influencing events all along. It's full of action and mystery.
Shadowheart's story is also top - notch. Her past as a Sharran, her hidden memories, and her gradual discovery of her true self as she travels with the party are really engaging. There are moral choices along the way that shape her character and her relationship with the other companions and the player.
The Paladin class is also excellent for the story. Paladins are knights in shining armor, literally. They are bound by a strict code of honor. This code often leads them into moral dilemmas and complex story situations in Baldur's Gate 3. Their combat prowess combined with their sense of justice makes them a force to be reckoned with and adds depth to the story as they strive to uphold their values.
Astarion is one of the best. His complex backstory as a vampire spawn is deeply intertwined with the main plot's themes of power, corruption, and redemption. Gale is also great. His connection to the magic and his quest for power and self - discovery add a lot to the story. Shadowheart's mystery and her own journey of faith make her an interesting companion for the story as well.
The Githyanki origin story is great too. You are part of this warrior race with a rich history and culture. It gives you a different perspective on the game world. You have unique abilities and interactions based on your Githyanki heritage. For example, your connection to Vlaakith and the whole Githyanki society can lead to some interesting storylines and interactions with other characters who may be in awe or fear of your race.
A good build could be a Sorcerer. Sorcerers have powerful spellcasting abilities from the start. Their innate magic allows for flexible combat and interaction in the story. For example, being able to quickly cast fire spells to deal with groups of enemies or charm spells to influence NPCs during important story events.
Astarion's story is really interesting. He's a vampire spawn. His journey of dealing with his vampiric nature and his past of being under Cazador's control makes for a great story arc. His struggle for freedom and self - discovery is quite engaging.
The best class for the story in Baldur's Gate can be the Bard. Bards are great storytellers themselves and fit well into the narrative. They can use their charm and persuasion skills to interact with various characters, and their musical abilities can add a unique flavor to the story. They also have a good mix of combat and non - combat abilities, making them versatile in different story situations.
In my opinion, a great party story often involves the diverse character interactions. For example, the story of a group consisting of a mage, a fighter, a thief, and a cleric. The mage might accidentally set off some magical traps while exploring dungeons, and the fighter has to protect the party from the ensuing chaos. The thief could then use their skills to disarm the remaining traps, and the cleric heals any wounds. This kind of cooperation and the little mishaps along the way make for a great party story.
The Githyanki can be a great choice for the story. Their backstory is deeply intertwined with the lore of the game. They have a long - standing history and their own goals and motives which can lead to some very interesting story arcs.
Shadowheart has an interesting story too. Her past as a Shar worshipper and her gradual realization that there might be more to life than what she was taught makes her character arc deep. She has to deal with her faith, her memories being locked away, and finding her true self in the chaos of the adventure.