For other items called "One True Constant", see "One True Constant".


Some orders eschew all metaphysics and ontological doctrine in favor of pure combat discipline.
— In-game description

"One True Constant" is an uncommon warlock bond which can be equipped by warlocks at level 18. It can also be transferred between characters using the vault. "One True Constant" can be dismantled to generate upgrade materials.


"One True Constant" can be retrieved from one of the following activities/vendors:

Quest source icon Quest
This item can drop as a Quest reward.
Strike source icon Strike
This item can drop as a Strike reward. Exotic items can only drop from the most challenging Strike playlist.


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