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Undercurrent (Adept) god roll & best perks

Undercurrent (Adept) — Destiny 2 Grenade Launcher
Legendary · Grenade Launcher

“The river embraces all. Struggle is futile.”

Full perk pool, stats & source for Undercurrent (Adept) →

Built from 41 curated wishlist rolls for this Grenade Launcher. Perks marked essential appear in every roll of a recommendation; alternatives are the other perks curators call worth keeping.

Recommended rolls

pandapaxxy

pve mkb controller 21 wishlist rolls

pandapaxxy (PvE / M+KB / Controller): "Forbearance, Salvager’s Salvo, or Undercurrent. Which is going to reign supreme? Probably Forbearance. But Undercurrent is a decent attempt. Voltshot isn’t as significant as Chain Reaction and only works on the first hit of subsequent shots. Bait and Switch is interesting for keeping up damage but not having a reliable magazine overflow perk hurts a bit more. Ambitious Assassin is great, but Envious is better. Overall I’d say it’s a neat addition but you wouldn’t be too hurt not having it if you already have Forbearance or Salvo." Recommended MW: Velocity.

Essential perks

High-Velocity Rounds

Strong alternatives

Ambitious Assassin Bait and Switch Quick Launch Smart Drift Control Linear Compensator Lead from Gold Stats for All Voltshot One for All

Community wishlist roll

16 wishlist rolls

Inspired by @PodvsEnemies Podcast vs Enemies episode 93 (https://open.spotify.com/episode/0uYGSQqlyX1faCyATCDuno?si=IMSCRgTRQr-_THJdjxFMIQ) with @ImpetusAlways and @Saint_Kabr. Backup PvE pick for add-clearing Minor Spec enemies in end-game content. Undercurrent is a decent choice for an arc wave-frame grenade launcher if you don't have access to a Forbearance. The stats are worse - it's not a Raid or Trials weapon so that's to be expected. Blast Radius has no meaningful effect, so maximise velocity, and try to help handling with the barrel perk. High-Velocity Rounds as the mag perk also usefully helps reload speed ut a bit too. For the first trait perk Left From Gold or Demolitionist are both solid choices, while to boost damage in the second trait column One for All or Adrenaline Junkie should both help deal with bulkier adds. Recommended MW: Reload Speed or Velocity, with a damage boosting (Minor, Adept Big Ones or Taken Spec) mod.|tags: PvE, PvE-MinorSpec, PvE-EndGame, M+KB, Controller

Essential perks

High-Velocity Rounds

Strong alternatives

Demolitionist Quick Launch One for All Smart Drift Control Hard Launch Linear Compensator Lead from Gold Adrenaline Junkie

Community wishlist roll

4 wishlist rolls

Inspired by @PodvsEnemies Podcast vs Enemies episode 93 (https://open.spotify.com/episode/0uYGSQqlyX1faCyATCDuno?si=IMSCRgTRQr-_THJdjxFMIQ) with @ImpetusAlways and @Saint_Kabr. First-choice PvE pick for add-clearing Minor Spec enemies in end-game content, particularly with an arc subclass. Undercurrent is a decent choice for an arc wave-frame grenade launcher if you don't have access to a Forbearance (or maybe even in addition to). The stats are worse - but it's not a Raid or Trials weapon so that's to be expected. Blast Radius has no meaningful effect, so maximise velocity, and try to help handling with the barrel perk. High-Velocity Rounds as the mag perk also usefully helps reload speed a bit too. For the first trait perk, Ambitious Assassin sets you up with two in the chamber (physics be damned) after a kill. With Voltshot as the second trait perk, you can alternate between an add-clearing shot to proc it, and then applying Jolt for crowd control or DoT against a beefier target. It requires the kill to set up, but Voltshot has a wider range of effect than Chain Reaction, so is probably worth a try, especially if you're running an arc subclass and add Sparks of Beacons, Ions and Discharge into the mix. Recommended MW: Reload Speed or Velocity, with a damage boosting (Minor, Adept Big Ones or Taken Spec) mod.|tags: PvE, PvE-MinorSpec, PvE-EndGame, PvE-God, M+KB, Controller

Essential perks

Ambitious Assassin Voltshot High-Velocity Rounds

Strong alternatives

Quick Launch Smart Drift Control Hard Launch Linear Compensator

What these Undercurrent (Adept) perks do

Ambitious Assassin

Reloading after scoring Kills with the weapon overfills the magazine from reserves based on the number of Kills scored. Overfill amount maxes out at 150% of the Magazine Capacity. Always rounds up. Kill counter persists through stow. Overfill amount per Kill scored: • Primary Weapons: 20% • Special and Power Weapons: 10%

Voltshot

Finishing a reload within 5.3 seconds of a Weapon Kill grants Voltshot for 7 seconds. While Voltshot is active, your next Weapon Hit consumes the buff and applies Jolt to the target. Applied Jolt's damage (generally) does not count as Weapon Damage.

Demolitionist

Weapon Kills grant 10% Grenade Ability Energy. Kills with Sniper Rifles, Shotguns, Glaives, and Fusion Rifles grant 20%. Using your Grenade Ability refills the Magazine with a 3 second cooldown. Ability energy gained may be significantly decreased based on your selected ability's Chunk Energy Scalar. Learn more about this mechanic in our explainer blog post on the Clarity website.

One for All

Scoring Weapon Hits against 3 Separate Enemies within 3 seconds of each grants 35% increased damage for 10 seconds. Does not require Direct Hits. Buff duration cannot be refreshed.

Lead from Gold

Heavy Ammo Pickups grants 25% of your maximum Special Ammo Reserves even while the weapon is stowed. Equipping two Special Weapons halves the amount of ammo granted.

Adrenaline Junkie

Weapon Kills grant 1 Stack of Adrenaline Junkie for 4.5 seconds. Grenade Kills grant all 5 Stacks instantly even if the weapon is stowed. Adrenaline Junkie benefits: • 20 Handling • 6.7%|13.3%|20%|26.6%|33.3% increased damage at 1|2|3|4|5 Stacks

Bait and Switch

Dealing damage with a weapon starts a 7 second timer. Dealing additional weapon damage resets the timer to 7 seconds. Dealing damage with all 3 of your weapons without letting the timer run out grants you 'Bait and Switch' for 10 seconds, granting 30% increased damage. Timer is disabled while Bait and Switch is active, requiring a full activation sequence once the buff expires.

Stats for All

Upon damaging 3 Separate Enemies within 3 seconds of each, for 10 seconds: • 35 Handling and Reload Speed • 10 Stability and Range • 5% increased Damage Falloff Distance • 0.95x Reload Duration Multiplier Buff duration cannot be refreshed.

Recommendations aggregated from curated community wishlists; credit to the curators linked above.

Undercurrent (Adept) in Destiny 2

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