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.
Perhaps Marik is being controlled by some darker force. In the Yu - Gi - Oh story, there are often forces at play that can manipulate characters. So, this could be the case where he is forced to kidnap Tea against his own will, in order to serve this unknown power. Or it could be that he wants to use Tea to access some hidden knowledge or a powerful item that she may be unknowingly connected to.
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.
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.
Perhaps Anzu herself could find a way to resist Marik from within the place she's held captive. She might discover some hidden power within her or use her wits to outsmart Marik. Meanwhile, Yugi and the gang could be facing various challenges and traps set by Marik on their way to rescue her. As the story unfolds, new characters might also be introduced who either help Marik or join Yugi's side to stop the sacrifice.
The volume that features Marik's back story in Yu-Gi-Oh is Volume 10. It provides a comprehensive account of his history and character development.
I think it's in volume 8. That's where you'll find a detailed account of Marik's back story.
Well, his motive might be related to his twisted sense of love. In the context of fanfiction, Hannibal could think that by kidnapping Will, he is protecting him. He may view the world as a dangerous place for Will, and his actions are a way to keep Will safe in his own, very abnormal way. Also, it could be a power play. He wants to show that he has the power to take Will whenever he wants, asserting his dominance over Will.
Well, in a fanfiction about Marik and Tea in a game - themed story, they could be teammates. Maybe they are on a quest in a virtual world where they have to solve puzzles and defeat enemies together. Their characters could develop as they rely on each other's strengths, like Marik's strategic thinking and Tea's empathy towards others in the game world.
One possible motive could be his obsession with Will. Hannibal sees Will as a unique individual, almost like a kindred spirit in some ways. He might kidnap Will to have him all to himself, away from the outside world that he believes corrupts or misunderstands Will.
Perhaps it's a power play. Hannibal is a character who enjoys being in control. By kidnapping Clarice, he asserts his dominance over her. He can manipulate the situation, make her dependent on him in a way, and show that he has the upper hand. It's like a game to him, and Clarice is the most interesting piece on the board.
It could be a card - based game, like Duel Monsters. Marik is known for his skills in Duel Monsters in the original series. So, the fanfiction could revolve around their duels, with Tea getting involved in some way, maybe as a spectator who later becomes an important part of the dueling scene.