Vidmaster Challenge E

Vidmaster Challenge E is an achievement in Halo: Spartan Strike. It is unlocked by completing Operation E, Mission 6 with the Hollow and Black Eye skulls active. The achievement is worth 10 Gamerscore. It is represented by a circle with "E-6" and the Hollow and Black Eye skulls inside it.

Tips
The player can effectively nullify the effect of the Black Eye skull by utilizing the overshield armor ability. It can be found at the top left corner of the map.