Ghosts look to be our sidekicks in this game. They are a reflection of our character that everyone can see, or a fun travel companion for those lone wolves out there.
Would you pay for DLC content that offered different skins for ghosts as well as ghosts with different personalities as done by different voice actors?
How about one voiced by Patrick Stewart or a funny one voiced by Louis CK?
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I would pay for it with ingame money....... that your earn by playing the game. If you really need to buy this simple things I would not really do that...... For completed new maps and expansion of the story/DLC after some time..... or a new game expension after some time... no problem