Infernus · Ultimate · 190s cooldown
Concussive Combustion
Updated ·Refreshed daily from public match data·Methodology
HeroInfernus →What does Concussive Combustion do in Deadlock?
Concussive Combustion is Infernus's ultimate on a 190-second cooldown with 3.25s explosion delay, 1.25s stun duration, 125 damage. Become a living bomb, dealing spirit damage and applying stun to all nearby enemies after a delay. Once cast, Concussive Combustion cannot be interrupted.
Upgrades: 1 AP — +100 Damage; 2 AP — -65.0s Cooldown and +100.0% Explosion Lifesteal; 5 AP — +0.9s Stun Duration and +10m Radius.
In the most played Infernus skill order (55.8% win rate over 23K games), Concussive Combustion takes its first point at step 7 and gets 1 of the first 12 points, so it is not a max priority.
Full numbers below; for items and lane matchups see the Infernus build, or compare cooldowns on the all-abilities table.
Base values, before items
Concussive Combustion stats
Cooldown
190s
Explosion Delay
3.25s
Stun Duration
1.25s
Damage
125
Ability points
Concussive Combustion upgrades
- 1 AP
+100 Damage
- 2 AP
-65.0s Cooldown and +100.0% Explosion Lifesteal
-65s Cooldown
- 5 AP
+0.9s Stun Duration and +10m Radius
+0.9s Stun Duration · +10m Radius
Most played Infernus skill order
When to level Concussive Combustion
In the most played Infernus skill order (55.8% win rate over 23K games), Concussive Combustion takes its first point at step 7 and gets 1 of the first 12 points, so it is not a max priority.
Concussive Combustion patch history
Minor Update - 06-11-2026 · June 12, 2026
- – Fixed Concussive Combustion cooldown not updating when getting the T2 or other CD reducing items when the ability is on cooldown
Gameplay Update - 05-22-2026 · May 22, 2026
- – Concussive Combustion T3 increased from +0.75s Stun Duration to +0.9s
Gameplay Update - 03-06-2026 · March 6, 2026
- – Concussive Combustion cast now causes camera to move back a bit
- – Concussive Combustion delay increased from 3s to 3.25s
- – Concussive Combustion radius reduced from 13m to 12m
- – Concussive Combustion cooldown increased from 140s to 165s
- – Concussive Combustion damage reduced from 150 to 125
- – Concussive Combustion T1 changed from "-35s Cooldown" to "+100 Damage"
- – Concussive Combustion T2 changed from "+0.5s Stun and +3m Radius" to "-65s Cooldown and +65% Explosion Heal"
- – Concussive Combustion T3 changed from "+94 Damage and Heal for 70% damage" to "+0.75s Stun and +10m Radius"
- – Concussive Combustion T2 increased from +65% Explosion Lifesteal to +85%
Other Infernus abilities
Stun
Abilities like Concussive Combustion
FAQ
What is the cooldown of Concussive Combustion?＋
Concussive Combustion has a 190-second base cooldown before cooldown items or upgrades. One of its upgrades lowers it further — see the upgrade list above.
What are the Concussive Combustion upgrades?＋
1 AP: +100 Damage 2 AP: -65.0s Cooldown and +100.0% Explosion Lifesteal 5 AP: +0.9s Stun Duration and +10m Radius
When should you level Concussive Combustion?＋
In the most played Infernus skill order (55.8% win rate over 23K games), Concussive Combustion takes its first point at step 7 and gets 1 of the first 12 points, so it is not a max priority.
Which hero has Concussive Combustion?＋
Concussive Combustion is Infernus's ultimate. Infernus is a marksman whose other abilities are Napalm, Flame Dash, Afterburn.