Zeref and Mavis are two central characters in the anime and manga series Fairy Tail. Zeref is known as the most powerful and dark wizard in the series, while Mavis is the first master and founder of the Fairy Tail guild. Their relationship is complex and intertwined with a tragic history, as they are cursed with immortality and have a deep connection that spans centuries. Their story is a central focus of the series and explores themes of love, loss, and the struggle between light and darkness. **

Zeref's hatred towards Natsu stems from the fact that Natsu is the younger brother of Zeref's deceased younger brother, Zeref's only remaining family member. Zeref blames himself for the tragedies that have befallen his loved ones and believes that his curse of immortality is the cause of their suffering. This guilt and self-loathing manifest as hatred towards Natsu, as he sees Natsu as a reminder of his past mistakes and the pain he has caused. **

Zeref's hatred for Natsu stems from the fact that Natsu is the younger brother of Zeref's deceased younger brother, Zeref's only family member who truly loved him. Zeref blames himself for his brother's death and believes that he is cursed to bring destruction and death to those around him, including his loved ones. This self-loathing and belief in his curse fuel his hatred for Natsu, as he sees Natsu as a reminder of his past mistakes and the pain he has caused. **

Yes, eventually the others do find out that Zeref is Natsu's brother. This revelation comes as a shock to them, as they learn about the complicated history between the two brothers and the impact it has had on their lives. The discovery deepens the emotional complexity of their relationships and adds a new layer of tension to their interactions. **

Zeref's hatred towards Natsu stems from the fact that Natsu is the younger brother who was able to surpass him in terms of strength and power. Natsu was able to defeat Zeref in battle, which further fueled Zeref's resentment towards him. Additionally, Natsu is the key to defeating Zeref and ending his curse of immortality, which adds to Zeref's animosity towards him. Overall, Zeref's hatred towards Natsu is rooted in jealousy, rivalry, and the threat Natsu poses to his existence. **

Natsu first meets Zeref in the episode titled "Tartaros Chapter - A Place Reached by Prayer" which is episode 266 of Fairy Tail. In this episode, Natsu encounters Zeref during the Tartaros arc, and their meeting has significant implications for the storyline and Natsu's character development. **

The spoiler question about Fairy Tail, Acnologia, and Zeref revolves around the ultimate showdown between these powerful characters. It delves into the resolution of their long-standing conflict and the fate of the characters involved. The question may also touch upon the revelations about their past, motivations, and the impact of their actions on the Fairy Tail world. **

As an AI language model, I don't have personal feelings or worries. However, if you are concerned about the image of Zeref from Fairy Tail, it may be because you are invested in the character and want to ensure that their portrayal is respectful and accurate. It's important to remember that fictional characters are created for entertainment and storytelling purposes, and their image is ultimately up to the creators and the audience's interpretation. If you have specific concerns about the portrayal of Zeref, it may be helpful to engage in constructive discussions with fellow fans or the creators of the series. **