Who can be considered as the 'never coming back villain of the story'?

A definitive defeat. If the villain is killed in a final battle, like the dragon slain by the knight, then he's not coming back.

Often, the character who actively opposes the protagonist and causes harm or creates obstacles can be the villain of the story. For example, in the 'Harry Potter' series, Voldemort is clearly the villain. He murders, spreads fear, and tries to take over the wizarding world, which is in direct opposition to Harry Potter, the protagonist.

She could be a former lover who still has feelings for the protagonist. Maybe they had a deep connection that she can't let go of easily.

I'm not sure. There haven't been any definite announcements about its return.

Yes, it can. 'Barn Burning' often explores themes and character developments that are typical of coming-of-age stories.

I'm not sure specifically since I don't know the exact 'never back down story'. But it could be a young athlete who is trying to prove himself, or a person in a difficult job situation fighting for their rights.

Well, the main character is a budding martial artist. He is surrounded by various characters. There are his fellow trainees in the gym, some of whom are friendly and some are a bit competitive. There's an older, more experienced fighter who becomes like a rival - turned - friend. And of course, there are the judges and promoters in the fighting events he participates in. All these characters together create the rich tapestry of the story in 'Never Back Down 2 Story'.

In "Full Time Expert","Going Back" was Ye Xiu's tenth server ID. In order to return to the Pro Alliance, Ye Xiu used Lord Grim to level up in the tenth server. In the tenth server, he had created characters like "Lord Grim","Soft Mist","Deception", etc. In the tenth server, he had displayed superb control skills and tactical awareness, gradually attracting the attention of other players. In his tenth server Glory career, Ye Xiu had used many IDs, but " Go Back " was the ID he had used the longest in the tenth server and was the most representative. While waiting for the anime, you can also click on the link below to read the classic original work of " Full-time Expert "!

In "Full Time Expert," Returning Xi was Huang Shaotian's account name. Huang Shaotian was a character in the eSports novel " Full Time Expert " and its derivative works by Butterfly Blue. He was Team Blue Rain's ace player, a Blade Master. He was known for his astonishing reaction speed and outstanding control skills. In the novel, Huang Shaotian's account was called "Troubling Rain", but after creating a new account in Glory's tenth server, he changed it to "Going Back". While waiting for the anime, you can also click on the link below to read the classic original work of " Full-time Expert "!

I'm not sure as I don't have specific details about this story. But usually, in such stories, there could be a worshipper or a group of worshippers trying to find their way back to the true essence of worship.