I think the most exciting thing the Traveler has done was scold Rhulk through a ghost. There has to be more to the Traveler then being just a set piece at the Tower.
It's archenemy is closing in...does the Traveler have a battle plan? It obviously can speak through ghosts...so why doesn't it more often? At the very least why hasn't the Speaker's Mask been repaired and utilized by someone. I'm sure Ikora could pull it off.
I hear Zavala going on about the Traveler constantly but it doesn't seem to be a participant in the story.
Come on Bungie, can the Traveler do something that proves that it's in this fight with us? Something unmistakable.
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That's were it stands False. The Traveler doesn't care about us, not will it fight for us. Look for the signs. When Ghaul took the Light, was it to protect us, or was it because Ghaul broke the Traveler's Law? When the Traveler was Healing, and it pushed back the Darkness in arrivals, was it to protect us, or was it an Escalation of War? The Traveler doesn't care about us, nor will it fight with us. It left us in WQ as Savathun gave it a way out of SOL, we stopped it, which forced the Traveler back to us. The only way we survive, is by killing both the Witness and the Traveler, so we become the Final Shape.