"Skills have NO cooldowns for 4s upon killing an elite monster. (+4s per stack)." The in-game description is misleading - skills are not truly cooldown-free. They snap to a 0.5s minimum cooldown for the duration. Kill an elite, enter a 4-second frenzy where every skill recharges near-instantly. More stacks = longer frenzy. Unlocked via the Deicide challenge on Monsoon. Forgive Me Please does not trigger it.
Frenzy Duration
4s (+4s/stack)
Min Cooldown
0.5s (not zero)
Screen Tint
Pink during buff
Best With
Artifact of Honor
How the Frenzy Actually Works
In-game says: NO cooldowns
Actual: all skills snap to 0.5s minimum cooldown
The 0.5s floor prevents animation conflicts and engine crashes. Not truly zero - but near-zero.
Kill an elite, every skill recharges at 0.5s for the frenzy window. The moment the kill registers, all cooldowns instantly drop to 0.5s and stay there for the duration. Skills with 20-second cooldowns are treated identically to skills with 2-second cooldowns during the frenzy.
Stacks extend the window, not the power. 1 Brainstalks = 4s frenzy. 2 stacks = 8s. 3 stacks = 12s. The 0.5s cooldown floor never changes with stacks. More stacks mean more time to chain skills, not faster skills.
Chaining elite kills extends the buff. Each elite kill during an active frenzy refreshes the timer. On dense elite stages, a single Brainstalks can sustain near-permanent uptime through back-to-back kills.
Some skills still have animation locks. Loader's charged punch, Artificer's charged Nano-Bomb, and Bandit's gun spin animation all prevent other skills from firing while they play out. Brainstalks does not skip these. Skills that require holding a button (Artificer Flamethrower, Huntress Arrow Rain) benefit most since they can be reused immediately.
Forgive Me Please does not trigger Brainstalks. The doll fires on-kill effects but Brainstalks requires an actual elite kill by the player. The same applies to
Wake of Vultures and Defense Nucleus - none of these are triggered by FMP dolls, even with Artifact of Honor active.
Frenzy Duration by Stack Count
| Stacks |
Frenzy Duration |
Skill uses at 0.5s CD |
Note |
| 1 | 4 seconds | ~8 skill uses | Tight window - use high-value skills first |
| 2 | 8 seconds | ~16 skill uses | Comfortable window for most survivors |
| 3 | 12 seconds | ~24 skill uses | Long enough to clear an entire elite wave |
| 5 | 20 seconds | ~40 skill uses | Near-permanent on dense elite stages |
| 10 | 40 seconds | ~80 skill uses | Effectively permanent even without Artifact of Honor |
Best Survivors
Huntress
S Tier
Arrow Rain and Laser Glaive can be held for continuous AoE during frenzy. Arrow Rain becomes a permanent floor-covering zone that shreds elites - which extends the frenzy further. One of the strongest Brainstalks interactions in the game.
Artificer
S Tier
Flamethrower held through the entire frenzy window outputs enormous sustained damage. Nano-Bomb still has animation lock but Plasma Bolt becomes near-continuous. Often considered Artificer's best red item.
Commando
A Tier
Suppressive Fire and Frag Grenades become spammable. Multiple grenades in one frenzy window can delete bosses by stacking simultaneous explosions before the damage registers.
Captain
A Tier
Orbital Probe becomes spammable during frenzy. A 4-second window can deliver 6+ probes to a single target. One of the most reliable burst damage windows in the game.
Loader
A Tier
Grapple Hook becomes chain-castable for rapid repositioning and proc chains. Charged Knuckle still has animation lock but Thunderslam becomes effectively spammable during the window.
Acrid
B Tier
Epidemic becomes spammable, potentially blanketing the stage with Blight stacks. However Acrid's damage relies more on passive DoT than skill spam, so extra casts hit diminishing returns faster than other survivors.
Key Synergies
Artifact of Honor is the strongest pairing. Every enemy spawns as an elite. Every kill triggers Brainstalks. With even 1 stack, frenzy windows chain continuously through combat. By mid-run the buff is effectively permanent as long as you are actively killing. This is the defining Brainstalks build.
Wake of Vultures fires on the same elite kill. One elite kill simultaneously grants Brainstalks frenzy AND the dead elite's passive power. With Artifact of Honor both stack constantly, giving near-permanent elite buffs (Celestine slow, Blazing burns) alongside near-permanent near-zero cooldowns.
Old Guillotine extends frenzy windows. Guillotine executes elites below a HP threshold, generating more elite kills per engagement. More triggers mean more frequent Brainstalks windows. Both items scale identically with elite density and compound naturally.
Shatterspleen and Harvester's Scythe during frenzy. Spamming skills fires many more proc rolls per second. Shatterspleen bleeds stack per-hit during the frenzy window and can trigger mass explosions. Harvester's Scythe heals on every crit, providing massive sustain across the burst window.
Alien Head, Hardlight Afterburner, and Purity become redundant. Brainstalks with Artifact of Honor replaces the need for any cooldown reduction item. Those item slots are better filled with damage or survivability. Without Artifact of Honor, CDR items still have value between frenzy windows.
How to Unlock - Deicide
Defeat an Elite Boss on Monsoon difficulty
1
Set difficulty to Monsoon before starting a run.2
Enable Artifact of Honor to guarantee every Teleporter Boss spawns as an elite.3
Kill the Teleporter Boss. Deicide completes on the first elite boss kill.4
Brainstalks begins appearing in item pools from your next run onward.
Without Artifact of Honor, elite bosses still spawn naturally on Monsoon from Stage 2 onward - just less reliably on Stage 1 Teleporter events.
Frequently Asked Questions
What does Brainstalks do in Risk of Rain 2?
Brainstalks is a Legendary red item. When you kill an elite enemy, all your skill cooldowns drop to a 0.5-second minimum for 4 seconds (+4s per stack). The in-game description says "no cooldowns" but the actual floor is 0.5s to prevent animation conflicts and game crashes. During the frenzy window, skills recharge near-instantly, letting you spam them freely.
Does Brainstalks actually remove all cooldowns?
No. The in-game description is inaccurate. All skill cooldowns snap to a 0.5-second minimum - not true zero. This floor exists to prevent the engine from trying to fire skills faster than animations can complete. In practice 0.5s is fast enough that most players won't notice the difference, but long-animation skills like charged attacks still take their full animation time to execute.
Does Brainstalks stack?
Yes. Each additional stack adds 4 more seconds to the frenzy duration. At 2 stacks you get 8 seconds, at 3 you get 12 seconds, and so on. The 0.5s cooldown floor does not change with stacks - only the duration grows.
Does Forgive Me Please trigger Brainstalks?
No. Forgive Me Please triggers on-kill effects but Brainstalks specifically requires an actual player elite kill to activate. The same is true for Wake of Vultures and Defense Nucleus. None of these fire from FMP dolls, even with Artifact of Honor making every enemy an elite.
Is Brainstalks good?
Highly build-dependent. On Huntress and Artificer it is S-tier - those survivors have holdable or repeatable skills that scale directly with free cadence. On Engineer it is weak because turret limits and missile lock-ons don't benefit from cooldown reduction. With Artifact of Honor it becomes one of the best red items in the game regardless of survivor since the uptime becomes near-permanent.
How do you unlock Brainstalks?
Complete the Deicide challenge by killing an elite boss on Monsoon difficulty. The fastest method is to enable Artifact of Honor (which forces all enemies to spawn as elites, guaranteeing the Teleporter Boss is an elite) and clear Stage 1 on Monsoon. Once the kill registers, Brainstalks starts appearing in your item pool from the next run onward.
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