For other items called "Expansion", see "Expansion".


Always consider the connection between your field work and vaster things.
— In-game description

"Expansion" is a common warlock bond which can be equipped by warlocks at level 15. It can also be transferred between characters using the vault. "Expansion" can be dismantled to generate upgrade materials.


"Expansion" 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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