The ending of the Vampire Knight was more complicated because it had changed and deepened many times between the manga and the novel. Here are some possible endings:
At the end of the manga, Yuki became the vampire hunter D and Zero became the knight who guarded her. In the battle with the vampires, Jiu Lanshu and the Pivot Party finally defeated the vampires and finally got together with Youji. However, due to the disappearance of Vampire Hunter D, Zero had no choice but to continue searching for other Vampire Hunters to protect humans.
At the end of the novel, Zero became the new vampire hunter and continued to protect humans. In the battle with the vampires, Zero and Youji finally got together and Jiu Lanshu became Zero's ally again. However, in the novel, the fight between the Central Party and the vampires did not end completely. New threats continued to emerge.
Different versions may have different endings, but in general, the vampire knight is a work of depth and complexity. Its ending may make people feel regretful or gratified.
The ending of the Vampire Knight manga was still undecided because the manga was still in the midst of being published. However, according to the previous plot development, one of the main characters in the Vampire Knight, Shu, might become a vampire hunter and protect humans with other characters. The specific ending might involve the fate of the main characters in the Vampire Knight, including the relationship between the vampire hunters D and Zero, as well as the development of the plot.
Overall, the manga ending of Vampire Knight ties up most of the storylines. There's a resolution to the conflicts between the vampire factions, and the main characters' destinies are revealed. However, it leaves some room for interpretation.
In the end of Vampire Knight, there's a resolution to many of the conflicts. Yuki makes a significant choice that affects the fate of all the characters. But I won't spoil it all for you!