Escape to the immersive and surreal underwater atmosphere of Delta Halo's massive lake, accompanied by many of the ethereal tracks from Halo 2's various campaign missions and OST. 0:23 - 1:36 Remembrance (OST) 2:15 - 4:10 Flawed Legacy (OST) 4:39 - 6:26 Impend (OST) 7:29 - 8:40 Covenant Civil War (non-OST) | Gravemind campaign mission 9:17 - 10:31 Orbit of Glass (OST) 11:06 - 13:09 Entering the Quarantine Zone (non-OST) | Sacred Icon campaign mission 13:25 - 15:50 Respite (non-OST) | Quarantine Zone campaign mission 20:17 - 41:33 Repeat