Is there a benefit to using the premade Wizard that wants to eat my magic items?
That depends on the player. Some may like to play as him and see his story unfold, others with another origin character, etc. Is not just a question of benefit, but a choice of gameplay. I for once never used and never will use any origin character. I think a custom one is a right choice for me, they feel mine, and I feel more freedom on the choices I make.
