Well, it's hard to give an exact number of hours. But typically, to complete the core story of Arkham Asylum without getting too bogged down in extras, you could expect it to take around 10 to 15 hours.
In this fanfiction, Naruto could be a patient in Arkham Asylum. He has lost his memory and believes he is in some strange version of Konoha. The doctors at the asylum are trying to understand his 'delusions' about ninjas and chakra. Meanwhile, some of the more evil inmates sense his power and try to manipulate him for their own gain.
Overall, the Arkham Asylum game is fairly faithful to the comic. It features familiar characters and settings, but there are some gameplay-driven tweaks and additions to enhance the interactive experience.
The complex characters. Batman, the Joker, and all the other inmates are well - developed. Their backstories and motives add depth to the story. For example, the Joker's chaotic nature and his strange relationship with Batman create a lot of tension and interesting plot twists.
The 'Batman Arkham Asylum Graphic Novel' is special because it offers a unique visual interpretation of the Arkham Asylum world. The art style is often dark and moody, which really fits the atmosphere of the asylum. It also delves deep into the psyches of the characters, especially Batman and the villains he faces. The graphic novel can show the complex relationships between them in a more vivid way compared to other mediums.
You can start with the right makeup. Focus on bold colors for the eyes and lips. Also, get a similar hairstyle, like the short and wild one Harley Quinn has.