Mission 23: The Lion's Den

The Lion's Den is the twenty-third mission of Halo: Spartan Strike and the fifth of Operation D: Adamantine Shield.

Introduction
With the security lockdown lifted, you can now access the inner campus. Inside is a mysterious Forerunner device that ONI had been studying; it is the main source of the portals. Get to it.

Assault Op 1
Kill 10 Watchers with a Binary Rifle.

Assault Op 2
Kill 20 Crawlers with a Battle Rifle.

Assault Op 3
Destroy 25 Focus Turrets with grenades.