Who Should You Pick in Honkai Star Rail 4.7?

Finally, some of the most popular characters in Honkai: Star Rail are getting a buff to their gameplay. In version 4.7, you get to choose one free limited character between Dan Heng Imbibitor Lunae, Acheron, and Jing Yuan. You also get to choose one of their Affinitive Eidolons for free, which is the item they need to get the new abilities that buff them. In this guide, I'll explain if the Affinitive Eidolon buffs are worth it, what each Affinitive Eidolon buff adds to each character individually, and then help you choose from the Affinitive Starveil and Magic Invitation event in HSR 4.7.