Knowledge Center · Kuva Farming

Kuva Farming Guide: Sources, Boosters & Riven Costs

Plan your Kuva farming around the Riven rolls you can afford. Compare Siphons, Floods, Survival and Melica’s new weekly exchange, understand which rewards boosters affect, and budget for Update 44’s optional Trait Locking.

← Knowledge Center8 min readUpdated Sep 30, 2026

~600

Kuva per Siphon

~1,200

Kuva per Flood

3,500

max Kuva per unlocked cycle

7,000

max Kuva with one trait locked

What Kuva actually is

Kuva is a resource used to cycle the randomized stats on Riven mods and craft certain Foundry blueprints, including Umbra Forma. Cycling does not change the weapon’s Riven Disposition. Since Update 44, you can preserve one existing trait while cycling the others, at double the usual Kuva cost.

Several systems share the Kuva name. For Riven cycling, you need the regular red Kuva resource. Entropic Kuva, introduced in Update 44, is a separate resource used for exchanges with Cephalon Melica.

What it is

An untradeable resource (red)

Main use

Rerolling Riven mod stats

Also used in

A handful of Foundry blueprints

Siphon access

The War Within completed and Mastery Rank 5

Can it be traded?

No player-to-player resource trading; vendor exchanges are available

NOTEMatch the resource to the goal. Regular Kuva pays for Riven cycles. Entropic Kuva pays for Melica’s wares. Kuva Siphons and Floods are missions; Kuva Liches are nemesis enemies; Kuva weapons are their weapon rewards.

Unlocking Kuva farming

Kuva Siphon missions require The War Within and Mastery Rank 5. The quest also opens the Kuva Fortress. Other sources, including vendors and Zariman content, have their own access requirements; completing one quest does not unlock every Kuva source.

Progress the star chart
Push through the planets and the main story until The Second Dream and then The War Within unlock. See the Quests guide for the order.
Complete The War Within
Finish the quest and reach Mastery Rank 5 to access Kuva Siphon missions. Your Operator’s Void abilities are part of handling the Siphon objective.
Watch the star chart
Kuva Siphon and Kuva Flood markers now rotate onto nodes across the Origin System, refreshing on a timer.
Open the Kuva Fortress
Reach Taveuni on the Kuva Fortress to try Kuva Survival. Choose a loadout that can both defend Harvesters and sustain life support.

The core Kuva farms

Siphons and Floods offer a Kuva objective within a regular mission. Kuva Survival lets you repeat Harvester defenses in one session. Compare these with vendor exchanges you have unlocked before committing to a long run.

Method	Where	Rough yield	What to consider
Kuva Siphon	Rotating star-chart node; The War Within and MR 5	~600 base	Complete the Siphon objective and the mission
Kuva Flood	Higher-level rotating Siphon mission	~1,200 base	Roughly double the Siphon yield with tougher enemies
Kuva Survival	Taveuni, Kuva Fortress	200 base per completed Harvester	Defend Harvesters while maintaining life support
Vendor exchanges	Unlocked vendors, including Cephalon Melica	Check each offer and purchase limit	Spend the required currency instead of repeating Siphons

Siphon and Flood amounts are approximate base yields. A Harvester must finish its defense to award Kuva. Vendor quantities and eligible mission rewards follow different booster rules.

At a Kuva Siphon, intercept the incoming Kuva clouds with your Operator’s Void abilities or Amp to destroy its four braids. Defend yourself from the accompanying enemies and finish the mission. A Kuva Flood uses the same objective with higher-level enemies and a larger Kuva reward.

Update 44: Melica’s weekly Kuva exchange

Entropic Eximus in Zariman missions drop Entropic Kuva, a separate resource. Take it to Cephalon Melica at Yuvan’s Peak or the Chrysalith and open Classroom Supplies. The Chrysalith offers a Fast Travel option for her shop.

Regular Kuva per purchase

10,500

Purchase limit

4 per week

Total if you buy all four

42,000 regular Kuva per week

Currency to bring

Entropic Kuva; check the shop for the current price

Yuvan’s Peak requires both Angels of the Zariman and Whispers in the Walls. Melica also sells Narin and weapon blueprints, so decide how much Entropic Kuva to reserve for those before buying regular Kuva.

NOTEEntropic Kuva does not directly pay for Riven cycles. The exchange gives you regular Kuva, which you can then spend on cycling. The 42,000 total is calculated as 10,500 × 4, subject to having the shop currency and remaining weekly purchases.

TIPPrepare for Entropic Eximus resistance. Hotfix 44.0.1 explains that they heavily resist non-melee damage. Fight inside the bubble with a suitable melee weapon; breaking the bubble does not remove that resistance. Hotfix 44.0.2 fixed resistance applying twice and missing Entropic Kuva drops from Mirage clone kills.

Kuva Survival and Requiem Fissures

On Taveuni, marked enemies carry Kuva Catalysts. Bring one to an unused Life Support Tower to convert it into a Harvester, then protect it for 1 minute. A completed defense awards 200 base Kuva to the squad and a small amount of life support. If the Harvester is destroyed, you lose that Harvester’s Kuva reward and the tower.

When Kuva Survival is available as a Requiem Fissure, bring Requiem Relics to open alongside the Harvester objectives. Their rewards include Requiem Mods, Kuva, Riven Slivers and Exilus Weapon Adapter Blueprints. These are not Lith, Meso, Neo or Axi relics, so this route does not open those relics for Prime parts. Check the active mission type before choosing your relic.

Understand relic typesDistinguish Requiem rewards from Prime relic rewards→Crack or sell? Relic valueCompare the Prime relics used in separate farming runs→

⚠ HEADS UPKeep the run sustainable. Converting every available tower can leave too little life support. Watch the mission meter, protect each Harvester, and extract when your squad can no longer maintain both objectives. A longer session is not automatically a better use of your time.

Boosters and companion mods: what they affect

A Resource Booster can double eligible Kuva rewards from Siphons, Floods and completed Survival Harvesters. This does not mean every source of Kuva is doubled: vendor purchases and fixed reward-table bundles are not resource pickups.

Resource Booster (2×) — increases eligible resource amounts. A Resource Drop Chance Booster affects drop chances instead; it is not another automatic doubling of a Siphon or Harvester reward.
Resourceful Retriever — at maximum rank, gives a passive 18% chance to double a resource pickup. It is the resource-focused variant for Beast companions.
Loyal Retriever — at maximum rank, gives a passive 13% chance to double a resource or Credit pickup. Both Retriever options exclude Venari.
Smeeta Charm changed in Update 37 — its old resource-doubling buff was removed. Use the relevant Retriever mod for pickup doubling; do not wait for the old Charm resource buff.

TIPPlan with eligible rewards. Retriever chances are random per pickup, not a guaranteed increase on every mission reward. Check the source before applying a multiplier, and count Melica’s listed Kuva bundle at its stated quantity.

Turn a Kuva budget into a reroll limit

Your yield depends on mission duration, completed objectives, boosters and squad performance. A spending budget is easier to check than a promised hourly farming rate. For a Riven already at the maximum base cycle cost, a 35,000 Kuva budget buys:

Example budget

35,000 Kuva

No locked trait

3,500 per cycle → 10 cycles

One locked trait

7,000 per cycle → 5 cycles

Earlier cycles

Lower base costs; check the price shown before cycling

NOTEThis is arithmetic, not a farming-rate estimate: 35,000 ÷ 3,500 = 10 and 35,000 ÷ 7,000 = 5. Set your stopping point before cycling, and reserve any Kuva you need for crafting.

Spending Kuva: Riven rerolls

Use Cycle Riven in the Mod Segment to reroll with Kuva. Ranking the mod up instead uses Endo and Credits. Without a locked trait, cycling starts at 900 Kuva and rises to a 3,500 Kuva cap. With one trait locked, each cycle costs twice its normal price.

Cycle	No locked trait	One locked trait
1st	900	1,800
2nd	1,000	2,000
3rd	1,200	2,400
4th	1,400	2,800
Later cycles	Base cost increases toward the cap	Twice the displayed base cost
At the base cost cap	3,500	7,000

Costs are Kuva per cycle. Applying or removing a lock itself is free; the higher cost is charged when you cycle with a trait locked.

NOTETrait Locking is live in Update 44. Select an existing trait to preserve it while cycling. Only one can be locked, and the current count of positive and negative traits stays fixed. Unlock it to allow that layout to change. Closing the Cycling menu clears the lock, so select it again next time.

TIPAfter cycling, you can keep the previous result or accept the new one. Keeping the old result does not refund the Kuva or undo the cycle count. A lock preserves one trait; it does not let you choose the remaining random traits. Use the Riven value estimator as a market reference and stop when the result meets your build and budget.

Riven value estimatorIs this roll worth keeping?→Endo / Plat valueDissolve dud Rivens for Endo→

Kuva Liches: same name, different system

A Kuva Lich is a nemesis enemy associated with Kuva weapons. The Kuva resource used for cycling Rivens is a different part of the game. If your goal is a weapon, follow the Lich system rather than spending your session on Siphon farming.

Lich progression uses Requiem mods and the Parazon. Requiem Relics provide those mods, which is why Requiem Fissures can fit into a Lich hunt. Rerolling a weapon’s Riven is a separate decision that uses your regular Kuva reserve.

⚠ HEADS UPChoose the goal first: hunting a Kuva weapon, opening Requiem Relics and collecting Kuva for Rivens are related activities with different rewards. A stockpile of the resource does not itself buy a Lich’s weapon.

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Frequently asked

What is Kuva used for in Warframe?

Kuva is used to cycle Riven mod stats and craft some Foundry blueprints. Cycling does not change the weapon’s Disposition. Optional Trait Locking preserves one existing trait at double the cycle cost. See the Riven guide for the full rules.

What's the best way to farm Kuva fast?

Choose a source that fits your unlocks and session: Siphons or Floods for individual missions, Taveuni Survival for repeated Harvester defenses, or available vendor exchanges. Melica’s Update 44 exchange offers 10,500 regular Kuva up to four times weekly for Entropic Kuva. Kuva Survival Requiem Fissures open Requiem Relics; they do not provide Prime parts from Lith, Meso, Neo or Axi relics.

How much Kuva does it cost to reroll a Riven?

Without a locked trait, the first cycle costs 900 Kuva and later cycles rise to a 3,500 cap. Locking one trait doubles those prices to 1,800 initially and 7,000 at the cap. Applying or removing the lock is free. You can keep your previous result after cycling, but the Kuva remains spent.

What's the difference between Kuva and a Kuva Lich?

Kuva is a resource used for Riven cycling and crafting. A Kuva Lich is a nemesis enemy hunted for a Kuva weapon. Lich progression uses Requiem mods and the Parazon; having regular Kuva does not replace that process.

How do I unlock Kuva Siphons?

Complete The War Within and reach Mastery Rank 5. Kuva Siphon and Flood missions then appear on rotating star-chart nodes. Use your Operator’s Void abilities or Amp to intercept the clouds during the Siphon objective. See the Quests guide for story progression.

Does the Smeeta Kavat double Kuva?

Smeeta’s Charm no longer provides its old resource-doubling buff. Update 37 moved pickup doubling to Retriever mods for Beast companions, excluding Venari. At maximum rank, Resourceful Retriever gives an 18% resource-pickup doubling chance; Loyal Retriever gives 13% for resource or Credit pickups. Neither guarantees that every Kuva reward is doubled.

Can you buy or trade Kuva?

Regular Kuva cannot be traded directly between players, but it is available through in-game vendor exchanges. For example, Melica accepts Entropic Kuva for regular Kuva bundles with a weekly purchase limit. Check the vendor’s currency and offer rather than assuming Kuva only comes from Siphons.

Do resource boosters work on Kuva?

Resource Boosters affect eligible Kuva gains such as Siphon, Flood and completed Harvester rewards. They do not double every source: vendor purchases and fixed reward-table bundles are not resource pickups. A Resource Drop Chance Booster changes drop chances, not the amount of every Kuva reward.