- ROBERTO jh
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- Fabled Heroic Member
He was talking to the Gravemind as well, not just 434 GS.
He sided with the Mind because he convinced him the Forerunners were creating an evolutionary road block for the galaxy.
He wiped them out, and now he's sad about what he did. It can be said he's been helping you (the Chief) the whole way throughout the game, but its unknown for sure.
Anyway, he sends you "home" to the Legendary Planet to meet the Forerunners. (Funfact: The Chief says at the start of the last level "we'll head for the portal. Then we'll all go home."
With the Legendary Planet I thought that was a cryptic statement).