The Gollum story originated from the brilliant mind of J.R.R. Tolkien. It's a creation that emerged in the context of his fantasy writings, becoming an integral and memorable part of the literary landscape he built.
Yes, it is. 'Mein Kampf' presents Hitler's ideology and personal views, making it a non-fiction work. However, its content is highly controversial and repugnant.
The game story of Lord of the Rings Gollum mainly follows Gollum's journey. He is a complex character, torn between his Sméagol side and his Gollum side. In the game, he navigates the dangerous landscapes of Middle - earth, facing various challenges and enemies. He is also in search of the One Ring which has a huge influence on his actions and decisions.
It's highly inaccurate and inappropriate. Mein Kampf is a highly controversial and repugnant work, and any manga based on it is likely to distort history and spread harmful ideas.
I'm not sure specifically which rated M Arwen and Gollum fanfictions are good. However, you could start by looking on well - known fanfiction websites like Archive of Our Own. They have a large collection and you can filter by rating and the characters involved.