Concussive Combustion
Concussive Combustion is Infernus' ultimate in Deadlock (slot 4), an active ability with a 190 second cooldown. Become a living bomb, dealing spirit damage and applying stun to all nearby enemies after a delay. Once cast, Concussive Combustion cannot be interrupted. Its tooltip lists 3.25s Explosion Delay, 125 Damage (+0.974938 x Spirit), 1.25s Stun Duration and 12m Radius.
Open the most-bought Infernus build
The 4 items bought most in each phase of 154,303 Infernus matches, October 30 to November 1, 2026, measured by deadlock-api.com.
Concussive Combustion in matches
Infernus players unlocked Concussive Combustion last (fourth) in 99.4% of matches (154,192 of 155,069) and third in 0.4% of matches (672 of 155,069), in all-rank matches from October 30 to November 1, 2026, from patch 6833's release day.
Measured from matches at all ranks from October 30 to November 1, 2026, starting on the day patch 6833 was released (October 30, 2026), by deadlock-api.com. These are match results, not numbers from the game files, and not a recommendation. Each share is the Infernus matches in which Concussive Combustion was the first, second, third or fourth ability unlocked, out of every Infernus match counted; a step under 500 matches is not listed.
Match data: deadlock-api.com. deadlock-api.com is not endorsed by Valve and does not reflect the views or opinions of Valve or anyone officially involved in producing or managing Valve properties. How a share is computed: methodology.
Concussive Combustion stats
Concussive Combustion
- Cooldown 190s
Become a living bomb, dealing spirit damage and applying stun to all nearby enemies after a delay.
Once cast, Concussive Combustion cannot be interrupted.
On Hit:
- 12m Radius
Upgrades
| Tier | Bonuses | In game |
|---|---|---|
| 1 | +100 Damage | |
| 2 | -65s Cooldown +100% Lifesteal | -65s Cooldown and +100% Explosion Lifesteal |
| 3 | +0.9s Stun Duration +10m Radius +0.4 Damage Spirit scaling | +0.9s Stun Duration and +10m Radius Increased Spirit Scaling |
Each tier is bought with ability points; how many points a tier costs is not in the game files this site reads, so it is not shown. Learning the ability takes 1 ability unlock.
Concussive Combustion change history
| Patch | Change | State |
|---|---|---|
| November 5, 2026build 6860from build 6835 | No player-facing change in 9 builds (October 30 to November 5, 2026). | Unchanged |
| October 30, 2026build 6833 | Concussive Combustion's tier 3 upgrade changed from +0.9s Stun Duration and +10m Radius to +0.9s Stun Duration, +10m Radius and +0.4 Damage Spirit scaling. | Changed |
| October 26, 2026build 6821from build 6642 | No player-facing change in 45 builds (July 28 to October 26, 2026). | Unchanged |
| July 25, 2026build 6640 | First recorded in Deadlock. | Baseline |
Concussive Combustion FAQ
What does Concussive Combustion do?
Become a living bomb, dealing spirit damage and applying stun to all nearby enemies after a delay. Once cast, Concussive Combustion cannot be interrupted. Its tooltip lists 3.25s Explosion Delay, 125 Damage (+0.974938 x Spirit), 1.25s Stun Duration and 12m Radius.
What is Concussive Combustion's cooldown in Deadlock?
Concussive Combustion has a 190 second cooldown. The tier 2 upgrade changes it by -65s.
How does Concussive Combustion scale with spirit power?
Damage starts at 125 and gains 0.974938 per point of Spirit, the coefficient the game file writes on the value. The tier 3 upgrade adds 0.4 to the Damage scaling.
What do Concussive Combustion's upgrades do?
Tier 1: +100 Damage. Tier 2: -65s Cooldown and +100% Explosion Lifesteal. Tier 3: +0.9s Stun Duration and +10m Radius, Increased Spirit Scaling.
Was Concussive Combustion changed in the latest patch?
No. Concussive Combustion is unchanged in the latest build of Deadlock on file (the November 5, 2026 patch, build 6860). It last changed in the October 30, 2026 patch (build 6833).