For other items called Mark of the Sentry, see Mark of the Sentry.


The City's enemies often use airmobile tactics. Some Titans train for rapid response to these landings.
— In-game description

Mark of the Sentry is an uncommon titan mark which can be equipped by titans at level 6. It can also be transferred between characters using the vault. Mark of the Sentry can be dismantled to generate upgrade materials.


Mark of the Sentry can be retrieved from one of the following activities/vendors:

Crucible source icon Crucible
This item can drop as a Crucible match reward.
Prison of Elders source icon Prison of Elders
This item can drop as a Prison of Elders 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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