Earning!!!
Edit: tell me how you earned your thorn
And if anyone else is selling it, tell me who and how much
Edit2: [spoiler]so there are obviously some butthurt people in this post. So for those of you that are slow, this is satire.
I have a thorn. I know there's only 1 way to get it[/spoiler]
-
I got mine from the mission were you team up with xur and master rahool and kill the sheep of squierlington and defeat the 22 monkey men and save the 13th dimension and master chief gives it to you and then flys away on shreck's back