Warhammer 40K Rogue Trader gives players the ability to create their own character to fit whatever role they wish in battle or when leading the entourage of the Rogue Trader. Leveling up will give players the ability to increase the attributes of that character along with spending a skill point to unlock a talent or new skill.
Warhammer 40K: Rogue Trader - How To Respec Your Character
With so many unique talents to choose from with each level, it's useful to undo inefficient decisions or try new combos.