Acolytes are mysterious beings who first appeared in the Operation: Shadow Debt event. Twisted like the Stalker, these sinister warriors aid in his hunts. They take the appearance and abilities of different Warframes, except they all wear a helmet identical to the Stalker's. When an Acolyte spawns into a mission, the same signs for Stalker himself appearing will happen. During such an encounter, after receiving enough damage or a certain amount of time after the start of the encounter has passed, the Acolyte will disappear. However, they will only drop a mod from their drop table if they left from receiving enough damage; if they leave because too much time has passed, there is no dropped reward.
All Acolytes, similar to the Stalker, will perform a single target Mag's Pull to counteract Tenno who attempt to avoid their wrath by standing on top of raised objects. They can also teleport any Tenno who attempts to flee right back into their room. Lastly, as a failsafe, they can teleport directly to a Tenno's room instantaneously should they get too far away (as they have been known to spawn across the map by accident), staggering any Tenno they happen to reappear on top of. This failsafe teleport is different from Loki's Switch Teleport (used by Mania) and Ash's Teleport (used by Angst) as it can only be preformed if the Acolyte is in a room with no Tenno present, but is also instant with no animation delay or particle effects.
- Main article: Angst
Angst is one of Shadow Stalker's acolytes, first appearing in Operation: Shadow Debt. She takes the form of a 
Valkyr Warframe with an Immortal Skin, wearing Stalker's helmet and the Vanquished Syandana. She battles with the 
Hysteria claws.
- Main article: Malice
Malice is one of Shadow Stalker's acolytes, first introduced during Operation: Shadow Debt. He takes the form of 
Frost with a Prime Skin, minus his signature shoulder armor, with Stalker's helmet and large chunks of machinery around his body.
As of Update 29.5 (2020-11-19), Malice can now spawn in The Steel Path missions.
- Main article: Mania
Mania is one of Shadow Stalker's acolytes, first introduced during Operation: Shadow Debt. He takes the form of 
Loki with an Immortal Skin, wearing Stalker's helmet and a Daedalus Shoulder Plate.
As of Update 29.5 (2020-11-19), Mania can now spawn in The Steel Path missions.
- Main article: Misery
Misery is one of Shadow Stalker's acolytes. He takes the form of 
Nekros with an Immortal Skin, wearing Stalker's helmet and 
Oberon's loincloth, as well as modified Warframe Cosmetics including a Kyroptera Syandana and Daedalus Chest Plate codpiece.
Misery first appeared in Operation: Shadow Debt and, as of Update 29.5 (2020-11-19), now spawns in The Steel Path missions.
- Main article: Torment
Torment is one of Shadow Stalker's Acolytes, first introduced during Operation: Shadow Debt. She takes the form of 
Mesa with Stalker's helmet, a Naberus shoulder piece, and some of 
Equinox's front tassels. She also uses an Eos chest plate for a codpiece, and the Eos spurs.
As of Update 29.5 (2020-11-19), Torment can now spawn in The Steel Path missions.
- Main article: Violence
Violence is one of Shadow Stalker's acolytes, first introduced during Operation: Shadow Debt. He takes the form of 
Limbo wearing Stalker's helmet and the pieces from the Hulta armor set.
As of Update 29.5 (2020-11-19), Violence can now spawn in The Steel Path missions.
 Stalker
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|---|---|
| Acolytes | Angst • Malice • Mania • Misery • Torment • Violence |
| Bosses | |
| Stalker (Shadow) | |