The Cost

9rd8FWUCCZk The Halo 5: Guardians Master Chief Ad is a video advertisement for Halo 5: Guardians. Released on Marth 29th 2015 alongside the Spartan Locke Ad as it's juxtaposition, it depicts John-117 confronting Agent Jameson Locke.

Transcript
John: This...

John: ...is this what you wanted?

John: You've completed your mission, Spartan Locke.

John aims his pistol at Locke, as the other SPARTAN looks up

John: Mine is just beginning.