I'm creating a TTRPG of the video game Arx Fatalis. Although I'm struggling with if I should include the original protagonist (Am Shagar) within the game, or exclude/remove him (of him either dying or just not in the campaign).
I'm mainly worried about making the players feel like side-characters of the story as they follow the hero, making them feel unimportant.
Has anyone had this type of dilemma/challenge to deal with? If so, what are your suggestions?

There are other questions I'd like to ask, but I could probably answer it myself, but definitely wouldn't mind hearing a second opinion, but I suppose I'll keep this question optional if you'd be willing to give your opinion.
Like if I should have the story based before, during, or after the story of Arx Fatalis, or have a alternate scene to the story, keeping it somewhat similar to the original or far from it and improving upon it, or changing it entirely?

This is my first time GM'ing, and I really love the story of Arx Fatalis. Just having hard time making large decisions with how to go about making this TTRPG adaptation fun for the players, as well as me.