Heresy Will Not Stay My Feet

Heresy Will Not Stay My Feet is an achievement in Halo: The Master Chief Collection. It is unlocked by beating the 7,000 point par score on the level The Arbiter. The achievement is worth 10 Gamerscore. Though it can theoretically be unlocked on any difficulty, more points are awarded in campaign scoring when playing on higher difficulties.

Trivia
The name of the achievement is taken from a quote from the Prophet of Truth during the cutscene level The Heretic.