Mark of the Sentry

The City's enemies often use airmobile tactics. Some Titans train for rapid response to these landings.
Type: 
Titan Mark
Rarity: 
Legendary
Light Level: 
400
Activity: 
Archon's Forge (Plaguelands, Earth) public event

https://www.bungie.net/en/Armory/Detail?type=item&item=3535605648&itemna...