Yugi would be enraged. Tea is one of his closest friends, and Marik's actions would be seen as a direct attack on him. He could become more determined than ever to defeat Marik. He would likely gather his friends and allies, like Joey and Tristan, and they would all work together to find Tea and put an end to Marik's scheme. Yugi might also call upon the spirit of the Pharaoh within him for guidance and extra strength in this difficult situation.
One great fanfiction could be about their adventures in a new dimension. Maybe they encounter a powerful new enemy that only their combined powers can defeat. Yugi's strategic thinking, Yami's fierce dueling skills and Atem's ancient wisdom all play crucial roles in this new journey.
One popular theme is the power - up. Writers often create scenarios where Yugi, Yami or Atem gain new and powerful abilities. For example, they might find a new type of card that gives them an edge in duels.
Love and friendship are very common themes. Since they are friends in the original series, fanfictions often explore how that friendship can develop into something more romantic.
As a fan of online novels, I have never come into contact with any information about Yu-Gi-Oh novels. If you have any other questions about Yu-Gi-Oh, I'll try my best to answer them.
Well, one possible motive could be power. Maybe he thinks by kidnapping Tea, he can gain some sort of leverage over Yugi or the others. In the Yu - Gi - Oh world, power is often a driving force. Another reason might be revenge. If he has some past grudges against Yugi or his friends, using Tea as a pawn could be his way of getting back at them.
There's 'The Unspoken Feelings'. In this fanfic, it shows the subtle hints of Yugi and Tea's feelings for each other during their adventures. It's really interesting as it focuses on the small moments between them that might have been overlooked in the original series.
One possible motive could be power. Maybe Marik believes that by sacrificing Anzu, he can gain some dark and powerful magic in the Yu - Gi - Oh universe. Another reason might be revenge. If he has some grudge against the main characters associated with Anzu, he could be using her as a pawn to get back at them.