Well, in 'nanatsu no taizai crossover archive fanfiction', one might expect to see different art styles or interpretations of the characters. For example, if it's a crossover with a modern - day setting, the characters could be drawn in a more contemporary style while still maintaining their core traits. It might also explore how the powers of the Seven Deadly Sins would fare in different fictional worlds.
The primary character in a 'lancelot novel' is Lancelot, the renowned knight. King Arthur is another crucial character. As the king, his relationship with Lancelot is one of loyalty and at times, strained by Lancelot's actions. Queen Guinevere is also a main character. Her love for Lancelot creates a love triangle that is a driving force in many of these novels. Additionally, other knights of the Round Table might be significant characters as they interact with Lancelot, for example, in battles or in matters of honor within the courtly world of Camelot.
The story involves King Arthur's noble reign and Lancelot's heroic deeds. But it takes a turn when Lancelot and Guinevere's romance is exposed, creating turmoil and ultimately contributing to the end of Arthur's kingdom.
Lancelot in the story of King Arthur was a highly respected knight. His deeds of heroism were many, but his love for Guinevere caused much conflict and ultimately contributed to the downfall of the kingdom.