Cryptic Whisper

Cryptic Whisper is the twenty-first track in the Halo 2: Anniversary Original Soundtrack. It is the remastered version of Destroyer's Invocation from Mausoleum Suite.
==Hidden Message==
When played in reverse, the following message plays, which is very similar to what the Ur-Didact says during the epilogue of Halo 4:
Category:Halo 2: Anniversary OST