TL DR; at the end. [spoiler]some say that the traveler is evil[/spoiler] That was the idea before the game development. They changed many things. House of Wolves should had a raid too. But they renamed it into Arena. It's possible the Traveler is still evil. The stranger said something like this in the Venus Mission: "You should choose a site. Even if It's the wrong site". So maybe the stranger knows the true. But here's the interesting part: Forge of Gods will be about the cabal race. (The picture of the leaked DLC Timeline showed us a cabal face). The original (old) story was: "The Stranger and Prince Uldren (Queens Brother) wait for you in a base on mars. They tell you about their plan to stop the traveler because he is evil" ... On a base on mars! Cabal = Mars. I would like to see a scene with that. The player will be very confused, mwahahah. WARNING: HUGE STORY SPOILER! [i]It can be the end of the story, so don't open the spoiler if you don't want to know the ending. [/i] [spoiler]The original idea was, that the traveler will crush the last city (Just like the Titan Super, lol) and wipe the humanity. [/spoiler] [b]TL DR;[/b] The original Idea of the story was that the traveler is evil. Prince Uldren and the stranger will tell you everything about the traveler in a cabal base on mars. There are many hints that Forge Of Gods will be about the cabal race. And cabals are on mars... Traveler is evil confirmed.