Montagne is often misunderstood in Rainbow Six Siege. His job isn't simply to walk toward Defenders with an extended shield.

When used correctly, Montagne can gather information, help teammates cross dangerous areas, protect a Defuser plant, and make a post-plant retake extremely difficult.

His value comes from forcing Defenders to pay attention to him while another Attacker takes advantage of that distraction.

Let Montagne Enter Dangerous Areas First
When your team is ready to execute onto the bomb site, Montagne should usually move ahead of the player carrying the Defuser.

Extend the shield and carefully enter the contested area.

Your immediate goal isn't to get a kill. Instead, identify where the Defenders are positioned.

Give specific callouts such as:

Defender behind the bomb chassis
Enemy holding the doorway
Nitro Cell Operator nearby
Defender rotating toward the plant position
One enemy watching the planter

Precise information is much more valuable than repeatedly saying that someone is "on site."

Keep Enough Distance From Your Teammates
Montagne should provide mobile cover, but standing directly against a teammate can cause problems.

Keep enough space for the player behind you to move, aim, and retreat.

This is especially important when crossing a doorway. If Montagne completely blocks the entrance, teammates may struggle to react when a Defender suddenly pushes.

Move slowly and communicate before changing direction.

Players who enjoy shield Operators can also customize their loadouts with different R6 Items, but positioning and communication remain far more important than appearance when executing a site.

Identify Nitro Cell Defenders Before Planting
One of the biggest threats to a shield-supported plant is a Nitro Cell.

Before committing to the plant, try to determine whether Operators capable of carrying explosive utility are still alive and where they are positioned.

Montagne can move forward and pressure these Defenders into revealing themselves.

If you see a Nitro Cell being prepared or thrown, immediately call it out. Don't assume your teammate planting the Defuser can see the same information you can.

Also avoid standing directly beside the planter. A single explosive should not be able to threaten both Montagne and the Defuser carrier at the same time.

Position Between the Planter and the Defender
Once your teammate begins planting, identify the most dangerous line of sight.

Montagne should position his extended shield between that angle and the player planting.

For example, if the Defender can only challenge through one doorway, face that doorway and force them to deal with your shield first.

Don't constantly rotate your shield unless necessary. Exposing the side of your body for even a moment may create an opening.

Your objective during these few seconds is simple: buy enough time for the plant to finish.

Don't Chase Kills After the Plant
Montagne becomes especially valuable once the Defuser is active.

Defenders now have limited time to retake the site and disable it. This means they are eventually forced to move toward predictable positions.

You don't need to chase them.

Instead, hold an important doorway or stand near a route leading toward the Defuser. Keep the shield extended and communicate every movement you see.

Your teammates can hold the actual shooting angles while you provide information.

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Use Montagne to Waste Retake Time
Time becomes one of Montagne's strongest weapons after the plant.

Imagine a Defender has to pass through a doorway to reach the Defuser. Montagne can stand in that doorway with his shield extended.

The Defender now has to find a way around him, use utility, expose themselves to another Attacker, or spend valuable seconds trying to force Montagne away.

You don't necessarily need to kill that Defender.

If they spend too long dealing with you and cannot reach the Defuser in time, Montagne has already done his job.

Don't Become Overconfident With the Shield
Montagne is protected from direct gunfire while facing the enemy with his shield extended, but he isn't invincible.

Defenders can coordinate from multiple directions, use explosives, pressure your sides, or attempt to melee the shield at close range.

Avoid isolating yourself.

A Montagne without teammates nearby loses much of his value because Defenders can focus entirely on dealing with him.

Stay close enough that an enemy trying to aggressively push your shield risks being shot by another Attacker.

A Simple Montagne Execute
A reliable Montagne attack can follow this sequence:

Drone the site → Identify the plant location → Montagne enters first → Call out Defenders → Clear immediate threats → Protect the planter → Activate the Defuser → Block the retake