Does Tanjiro kill Muzan in the manga?

Muzan is generally considered more powerful. His demonic abilities and long existence give him a significant edge over Tanjiro.

In the manga, Tanjiro's mission is to eliminate Muzan, who is the source of all the demons' evil. Their connection is one of pure enmity as Tanjiro seeks justice for his family and countless others.

Muzan is the main antagonist and Tanjiro is the protagonist seeking to defeat him. Their relationship is one of pure enmity.

It's hard to say for sure. Muzan is incredibly powerful, but Tanjiro is determined and has grown a lot. It could go either way depending on the circumstances.

Well, Muzan is an extremely powerful demon, but Tanjiro has grown a lot in his skills and determination. It might come down to Tanjiro's ability to exploit Muzan's weaknesses and his own hidden potential.

Yes, Tanjiro did kill Rui in the manga.

It's an intense and fierce battle. Tanjiro uses all his skills and determination to face Muzan.

I'm not sure if there is such specific 'muzan x tanjiro mpreg fanfiction' available. Fanfiction can cover a wide range of themes and pairings, but this one might be a rather niche or even against the general tone of the original work in some ways. You could try searching on some large fanfiction platforms, but don't expect to find it easily as it may not be very common or might be against the platform's rules if it contains inappropriate content.

Yes, there are quite a few. Some focus on an alternate universe where they have to team up for some strange reason. For example, in one fanfic, they have to face a new common enemy that is even more powerful than Muzan. Tanjiro has to put aside his hatred for a while to deal with this new threat.

In the comic, Tanjiro's main goal is to eliminate Muzan, who is the source of all the demons' power and the one responsible for the tragedies in Tanjiro's life. Their relationship is that of a hunter and a hunted, with Tanjiro constantly striving to overcome Muzan's power and schemes.