The Guardians Are Coming

The Guardians Are Coming is an achievement in Halo: The Master Chief Collection. It is unlocked by getting killed in a manner which is unrecognizable for the game engine.

This achievement can be unlocked through many means. For example, getting killed by environmental objects (such as Halo 2 Terminal train) or scripted objects (like turrets on Halo 3 Snowbound map) will unlock this achievement.

Trivia

 * This is a pun referring to Halo 5: Guardians.