Most attackers win rounds with gunfights. Thermite wins them before a single shot is fired. One well-placed exothermic charge can collapse an entire defensive setup — and one badly placed charge (or a dead Thermite with unused charges) can throw the round.
Thermite has been in Rainbow Six Siege since the beginning, and he still defines what hard breaching means. This guide is Thermite mastery — not "place charge on wall," but the complete hard-breach playbook: which walls actually matter, the denial chess game against Bandit, Kaid, and Mute, execute timing, staying alive as the attack's most hunted player, and when to pick Ace or Hibana instead.
Who Thermite Is: The Role, The Kit
Thermite is a 2-speed attacker whose entire value lives in one gadget: the Brimstone BC-3 Exothermic Charge. He carries two charges per round, and each one blows the largest holes in the game through reinforced walls and hatches.
His role is hard breacher — the single most essential job on attack. Many bomb sites simply cannot be taken without reinforced walls being opened. The trade-off: Thermite is slow, his charge placement is a long vulnerable animation, and he can't place a charge on an electrified or jammed wall. He needs electronics cleared and cover while he plants — a Thermite who tries to do everything alone dies with two unused charges.
If you're still building fundamentals, our beginner operators guide covers Thermite as a starter pick. This guide is what comes after: mastery.
Loadout Breakdown
Primary: the 556xi assault rifle. Solid and reliable, with manageable recoil and good damage. It's not the best gun on attack, but Thermite's value isn't in winning gunfights — it's in being alive with charges available when the breach matters.
Secondary: the M45 MEUSOC pistol. Fine for emergencies; if you're in pistol fights as Thermite, something has already gone wrong.
Gadget: two Brimstone BC-3 Exothermic Charges. Each takes a few seconds to place (a long, exposed animation), then detonates after a short fuse to destroy a massive section of reinforced wall or hatch. Two charges means two breaches per round — the main execute plus one contingency.
Secondary gadgets: smoke grenades or frag grenades depending on team needs. Smokes cover the plant or the breach push; frags clear hiding spots and punish tight anchors.
The loadout principle: everything Thermite carries should keep him alive through the setup phase and support the execute. He's not an entry fragger — his gun is for self-defense, not for hunting.
The Exothermic Charge: Mechanics That Matter
Hole size. The exothermic charge blows the largest single hole of any hard breach gadget — big enough to walk through, plant through, and throw utility through. On hatches, it destroys the entire hatch panel.
Placement. The charge goes on reinforced walls and hatches — not soft walls, not electrified walls (Bandit batteries, Kaid claws), not walls inside a Mute jammer's radius. The placement animation is long and exposes Thermite completely.
The fuse. After placement there's a short delay before detonation. Defenders can shoot the charge off the wall in that window (rare), and you should already be moving to your execute position as the charge goes down.
Two charges, two chances. With only two charges, every placement is precious. A charge wasted on a wall that doesn't matter is a round thrown — which is why wall selection (next section) is the heart of Thermite mastery.
Wall Selection: Which Walls Actually Win Rounds
Here's the truth most Thermite players learn too late: breaching the first reinforced wall you see is usually wrong. Every site has walls that matter and walls that are traps.
The walls that matter are the ones that unlock your team's execute. Before placing a charge, ask: what does this breach *enable*? A breach that lets the team push the objective, plant the defuser, or take the critical angle is worth everything. A breach that opens a random exterior wall nobody will push through is a wasted charge.
Priority walls by site type:
- Basement sites: the hatches. Dropping hatches above the objective enables vertical pressure and denies plants. Thermite's full-hatch destruction is unmatched — one charge removes the entire panel. Two key hatches can be your whole round.
- Ground-floor sites: the main breach wall facing the attack's default push. Identify which wall the team's default strat is built around and make it your priority.
- Upper-floor sites: the reinforced walls adjacent to common anchor positions or cutting off their retreat.
The walls that are traps: walls opening into pre-aimed crossfires with no smoke cover; "nice to have" secondary walls that don't serve the execute; walls near defender spawn peeks.
The rule: breach the wall that unlocks the plan. If you don't know which wall that is, ask the IGL before the round — don't guess. For the team-level picture of how breach fits the full attack, see our guide to building a balanced ranked team.
Beating Denial: The Chess Game
Denial is everything that stops your charge from going off. The defense's setup-phase job is making sure Thermite can't do his. Here's how to win each matchup.
Bandit Tricking
What it is: Bandit electrifies a reinforced wall with shock wire batteries, destroying any charge placed on it. "Bandit tricking" is the advanced version: Bandit waits near the wall, listens for Thermite's placement sound, then places the battery *after* the charge is down but before it detonates.
How to beat it:
- Clear with Thatcher first. The standard answer: EMP grenades destroy batteries through the wall before Thermite approaches. This is why Thermite and Thatcher are the classic pairing — our Thatcher operator guide covers EMP timing in detail.
- Force the trick early. Place a charge to bait the trick, let Bandit waste his battery, then place the real one. This costs a charge — a desperation play, but a wasted charge beats a wasted round.
- Shoot the battery. Batteries are visible on the wall. Drone it, call the position, and have a teammate hold the angle and shoot it off while Thermite places.
- Maverick. His blowtorch destroys batteries silently. If your team has a Maverick, the Bandit trick game changes — but that's his job, not yours.
Kaid Claws
What it is: Kaid throws electroclaws onto reinforced walls or hatches, electrifying them — including surfaces Bandit can't easily reach. Harder to deal with because claws are less predictable.
How to beat it:
- Thatcher's EMPs destroy claws within radius. The challenge is *finding* the claw — Kaid can throw it onto the top of a wall or the far side of a hatch.
- Drone thoroughly. Look for the claw's shape on the wall surface or hatch before Thermite commits. A 10-second drone check saves a wasted charge.
- IQ or Twitch. IQ's detector reveals claws through walls; a Twitch drone can destroy one in an awkward spot.
Mute Jammers
What it is: Mute's jammers create a radius where electronics don't work — charges can't even be placed. Unlike electrification (which destroys placed charges), jammers *prevent* placement: you'll walk up to the wall and nothing happens.
How to beat it:
- Drone for jammers. They're physical devices on the floor — drone the area around every breach target in prep phase.
- Destroy from range. Shoot them, frag them, or clear with a Twitch drone before Thermite approaches.
- Thatcher's EMPs destroy jammers too. "Thatcher clears, Thermite breaches" handles Mute, Bandit, and Kaid simultaneously — the fundamental sequence of coordinated Siege.
The denial checklist (every round): drone the breach wall → identify denial → clear with the right tool → confirm clear → Thermite places → team executes. Skip a step and you lose a charge.
Execute Timing and Coordination
The sequence. Thatcher EMPs (clearing denial) → Thermite places → charge detonates → smokes go down → team pushes. Every step in order, and the whole sequence should take seconds. A breach that sits open for 60 seconds while the team "gets ready" gives defenders time to reposition and pre-aim every angle.
Communicate the breach. "Placing charge now." "Charge down, 3 seconds." "Breach open, pushing." The team can't exploit what they don't know about.
Don't breach too early or too late. An open wall tells the defense exactly where you're coming from — if the team isn't ready, keep the wall closed. But if the clock hits 0:30 with nothing opened, you've failed. Aim to have the main breach open with at least 60 seconds left.
Coordinate the secondary push. Most executes have two prongs: the main breach and a secondary (flank, vertical, or crossfire). Make sure the secondary is in position *before* the charge goes off — a lone breach push into five defenders is a donation.
Staying Alive: The Most Hunted Attacker
Thermite is the defense's priority target. Kill Thermite with charges unused and the round is effectively over — and they know it.
Never entry frag. The number one Thermite mistake at every rank. Thermite's life is worth more than any opening pick. Let Ash, Zofia, and Iana take first contact — your fight comes later, through the breach you opened.
Drone before you move. Every rotation should be droned first. You're slow, you're loud during placement, and you're the priority target. The 10 seconds spent droning is always worth it.
Place from safety. The placement animation locks you in place. Before starting: drone the angle, confirm it's clear, have a teammate holding the crossfire. If you can't confirm safety, reposition — a delayed breach beats a dead breacher.
Play the post-breach. Once the charge is down and the team is pushing, hold the breach angle, watch the flank, support the plant. The best Thermites get their kills *after* the breach, holding the angles it created.
Manage your health. Thermite at 25 HP is still more valuable alive than dead. Fall back when hurt — dying with a charge unused is the cardinal sin.
Thermite vs Ace vs Hibana: When Each Is Right
Thermite: the biggest holes, the most team-dependent. His breaches are the largest in the game — best when the execute needs a wide opening for multiple attackers. But he's slow, his placement is exposed, and he's the most denial-vulnerable. Pick Thermite when the site needs maximum breach size and the team has Thatcher/support coordination.
Ace: the safer, more flexible pick. His SELMA charges throw onto walls from range — no exposed placement animation. Faster, more self-sufficient, with one of the best guns on attack. Holes are smaller than Thermite's. Pick Ace when solo queueing, when breach walls have long sightlines, or when you need a breacher who can also frag. In the current meta, Ace is often the default — Thermite is the specialist.
Hibana: the hatch and precision specialist. Her X-Kairos pellets allow precise hole sizes — small sightlines, vaultable holes, or full destruction. Best for controlled hatch openings and when the team already has a primary breacher. Her pellets are the most denial-vulnerable individually, and she has the least fragging power. Pick Hibana when hatches are the priority or you need precision over size.
The honest meta note: Ace is the most-picked hard breacher in the current meta for good reason — range, safety, and gun. Thermite remains the pick when breach *size* is the win condition and the team can support him. Balance shifts with patches, but the *roles* these three fill don't change.
When NOT to Pick Thermite
When the team has no support. If nobody's playing Thatcher or an equivalent electronics clear, Thermite's charges die to the first Bandit battery. Pick Ace instead — or play the support yourself.
When the site doesn't need big breaches. Some sites are won through vertical play, soft breach, or intel. If the execute doesn't need Thermite's specific strength, his weaknesses aren't worth it.
When you're solo queueing without comms. Thermite needs coordination: EMP timing, cover during placement, execute pushes. In a silent lobby, Ace gets more done with less help.
When you want to frag. If your mindset is "I'm going to entry and take gunfights," don't pick Thermite. Pick the operator that matches your intended playstyle.
Frequently Asked Questions
How many exothermic charges does Thermite have?
Two per round. Each one destroys a massive section of reinforced wall or an entire hatch panel. Two charges is enough for the main execute breach plus one contingency — which is why wasting a charge on a pointless wall can throw the round.
Can Thermite's charge be destroyed?
Yes. If the wall is electrified (Bandit battery or Kaid claw), a placed charge is destroyed. Mute jammers prevent placement entirely. Defenders can also shoot a placed charge off the wall during its fuse delay, though this is rare. Clearing denial before placing is non-negotiable.
Thermite or Ace — who's better?
Neither, in the abstract. Ace is safer and more self-sufficient (ranged placement, better gun) and the more common meta pick, especially solo queue. Thermite blows bigger holes — the better pick when the execute needs maximum breach size and the team can coordinate support.
How do you counter Bandit tricking as Thermite?
Thatcher's EMPs clearing batteries before Thermite approaches is the standard answer. Without Thatcher: bait the trick with a sacrificial charge, shoot the battery off from a droned angle, or bring Maverick. Never place your last charge into a wall you haven't confirmed clear.
Can Thermite breach hatches?
Yes — and he's the best at it. One charge destroys an entire hatch panel, the largest hatch opening in the game. That makes him the premier pick for basement sites where vertical pressure wins rounds.
Why do I keep dying as Thermite?
Three classic causes: entry-fragging instead of staying alive for the breach, placing charges without droning first, and playing without support to clear denial. Most Thermite deaths are positioning and coordination failures, not aim failures.
The Bottom Line
Thermite mastery is a chain: drone the wall → clear the denial → place the charge → time the execute → stay alive to follow through. Break any link and the round breaks with it.
The operators around him matter as much as the charges themselves — pair him with Thatcher's EMPs (see our Thatcher operator guide), fit him into a balanced ranked team, and browse the full roster in our Operators hub. Do that, and Thermite stops being "the guy who places the charge" and becomes what he's always been: the operator who decides where the round is fought — and wins it before the first shot.