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Sentry is a Devices Demon Hunter skill unlocked at Level 25. It creates a mechanical turret that fires arrows at enemies, working much like the Wizard's Hydra skill.


Sentry in action.

The Demon Hunter throws a turret onto the ground that fires arrows at nearby enemies.

Skill Rune Effects[edit]

Name Level Description

25 Cost: 20 Hatred

Summon a turret that fires at nearby enemies for 280% weapon damage. Lasts 30 seconds.

You may have 2 turrets active at a time.

You gain a charge every 8 seconds and can have up to 2 charges stored at a time.

Spitfire Turret
28 The turret will also fire homing rockets at random nearby enemies for 120% weapon damage as Fire.
Impaling Bolt
36 The turret now fires a bolt with a 100% chance to pierce.
Chain of Torment
45 Create a chain between you and the Sentry and between each Sentry that deals 300% weapon damage every second to each enemy it touches.
Polar Station
52 The turret Chills all nearby enemies within 16 yards, Slowing their movement speed by 60%.
Guardian Turret
60 The turret also creates a shield that reduces damage taken by allies by 15%.

Skill Design[edit]

The skill works similarly to those found in the Assassin's set in Diablo II. It is a trap of sorts that fires arrows at enemies. It's not known if the Sentry will go into action as soon as it's cast, or if it only activates when enemies move into range, as the Demon Hunter's other traps do.

It is assumed that much like the Wizard's Hydra, players may only have a set number of traps and/or Sentries active at once.


The following Demon Hunter passives provide a benefit to Sentry, runed or not:

Name Level Description
Steady Aim

16 As long as there are no enemies within 10 yards, all damage is increased by 20%.

35 Reduce the Discipline cost of all skills by 10%. Increase your Armor and resistance to all damage types by 10%.

Discipline is used to fuel many of your tactical and defensive skills.

Custom Engineering

40 Increase the duration of your Caltrops, Marked for Death, Spike Trap, and Sentry by 100%.

Increase the maximum number and charges of Sentries to 1 and number of Spike Traps to 3.

This skill is affected by your characters:

Also, if using the Spitfire rune on Sentry, then the Passive skill Ballistics will boost the rockets' damage by 50%


Sentry was first announced in a Blizzard tweet in early January 2011. [1]

Demon Hunter is getting a few new toys. One of the coolest has to be the Sentry. --Diablo

It was explained in a bit more detail later that month: [2]

So the Sentry was given to the Demon Hunter. Is this identical to the Assassin’s sentry? I’m dying to know how runes change it. --NocturneGS
The assassin sentries were more like stationary magic dispensers. The demon hunter sentry is more like something a spy would sap. --Diablo

Fuller details came in February 2011, when Jason Bender spoke about Sentry in an interview:[3]

So like I was saying, there are different kinds of traps and they are sort of the usual to some extent and then we have weird some stuff. The Sentry is by default your standard trap as you would expect, it’s a lot like Hydra. I will say that the runes will change how that works.

I don’t want to get into too much specifics about the runes yet, because those are still in development. But you have seen what the runes can do to the Wizard and what kinds of things it can do specifically for the Hydra, but with the gadget theme we can do even crazier and funkier stuff with gadgets, because we’ve learned so much from running for the Wizard’s powers that we can take a lot of that knowledge forward and take some ideas off the shelf and put those into things like the Sentry.

Definitely though, there are a ton of traps that can shoot out ranged stuff that can track you and then there’s traps that cover the ground and if you step on it, it’s going to hurt. So, the vanilla version of the Sentry is just what you expect, it’ll just shoot arrows.

Sentry was first seen at the July 2011 Press Event, where it was a level 22 skill.


When the beta started in September 2011, Sentry was still a level 22 skill, but was soon changed to 21. The skill system was once again overhauled for the Beta Patch 13, and Sentry was classified as an Archery skill (but stayed at level 21). For Beta Patch 14, it was re-classified as a Devices skill and moved to level 25.


Sentry can be seen in action on video here:

  • None yet.

You can find pictures in the Diablo III screenshot and picture gallery:


  1. New Demon Hunter Skill Sentry — Incgamers 8th Jan 2011
  2. Demon Hunter Sentries — Incgamers 19th Jan 2011
  3. Jason Bender and Christian Lichtner Interview — DiabloFans 18th Feb 2011