Was just a little confused about its context. Can someone please explain to me what exactly is going on in this dialogue? What does the boy see on the diamond wall?
Edit: The card is located under "Places -> The City" and the ghost is found somewhere on Mars.
Edit 2: Here's a link:
http://destinygamewiki.com/wiki/Ghost_Fragment:_The_Golden_Age_(Grimoire_Card)
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He sees the earth as it was before the traveler.