From Halopedia, the Halo wiki
This article is about the soundtrack. For eponymous human vehicle, see HRUNTING/YGGDRASIL Mark IX Mantis. For the Covenant anti-air platform, see Type-27 Mantis.
Mantis is the seventeenth track on the Volume 2 of the Halo 4: Original Soundtrack. While it is used in-game as the theme of the HRUNTING/YGGDRASIL Mark IX Armor Defense System, it also borrows theme from 117. Its motif is used again for Walk Softly from Halo 5: Guardians Original Soundtrack.
The soundtrack can be heard playing: