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Riven Mods Explained (2026): How to Get, Unveil, Reroll and Trade Them

Veiled to god roll in one page

Last Updated on September 26, 2026

The short answer

A Riven is a random mod locked to one weapon type, with stats that scale on that weapon’s disposition. Get a veiled one from Sorties, Nightwave, Arbitrations or Palladino, unveil it by completing its challenge, then reroll it with Kuva until the stats fit your build. Check the disposition list before you spend Kuva or platinum.

Reviewed September 10, 2026, current through Update 43.5. Dispositions come straight from the game data and refresh with each patch; the rules below are re-checked after every major update.

Table of Contents

How to get a veiled Riven

Source	What you get	Notes
Sorties	A veiled Riven of a random type	Daily, one entry on the Sortie reward table; the most common source
Nightwave	Veiled Rivens in the Cred offerings	Rotating stock; spend Nightwave Creds
Palladino (Iron Wake, Earth)	A veiled Riven for 10 Riven Slivers	Once per week
Arbitrations	Riven Slivers	Rotation rewards; ten Slivers equals one Riven at Palladino
Trading	Unveiled Rivens from other players	Trade chat, riven.market listings, in-game trade with a credit tax

Unveiling: the challenge

Equip the veiled Riven on any weapon of its type (rifle, shotgun, pistol, melee, Arch-gun).
Read the challenge in the mod description. Many carry a condition, such as staying undetected or having a Dragon Key equipped.
Complete the challenge in a mission. The Riven unveils for a random weapon of that type with random stats.
The weapon, stats, polarity and Mastery Rank requirement are all set at that moment; only the stats can be changed later.

What a roll can look like

Roll	Stat size	Read
2 positives + 1 negative	Biggest (about 1.24x)	The god-roll shape when the negative is harmless
2 positives, no negative	About 0.99x	Clean and safe, slightly smaller numbers
3 positives + 1 negative	About 0.94x	Great when all three stats matter to the build
3 positives, no negative	Smallest (about 0.75x)	Looks best on paper, rolls the smallest values

Harmless negatives (zoom, damage to a faction the weapon never fights, Impact on a Slash weapon) are what make a god roll: they buy bigger positives for free.

Rerolling with Kuva

Reroll	Kuva cost
1st	900
2nd	1,000
3rd	1,300
4th	1,600
5th	2,000
6th	2,500
7th	3,000
8th and beyond	3,500 (cap)

You see the new roll before you accept it and can keep the old one instead.
The reroll count is shown on the mod and follows it through trades.
Rerolling never changes the weapon or the polarity, only the stats.

Rules that catch people

Riven capacity starts small and grows in packs of three (platinum) up to a cap of 180; a full inventory blocks Sortie Rivens.
Each Riven carries its own Mastery Rank requirement, between 8 and 16, on top of the weapon's.
One Riven per weapon at a time.
A Riven is locked to a weapon family, not a variant: a Braton Riven fits Braton Prime, Braton Vandal and MK1-Braton, each at its own disposition.
Disposition changes after a Prime Access can shrink your roll overnight; check the list before paying platinum.
Riven trades carry a heavy credit tax; keep credits banked before you shop.

Trait locking, live since Update 44

It shipped on September 23 and it does not need a new resource. Locking a trait simply doubles the Kuva cost of that cycle. Updated September 26.

Lock traits from the Cycle Riven menu so a reroll cannot touch them.
The lock lasts for that visit only. Reopen the menu and you have to set it again.
Locked traits show in grey with a padlock next to them.
A locked trait also freezes the layout. Two positives and a negative stays two positives and a negative until you unlock.
Any lock doubles that cycle’s Kuva. It is a flat 2x, not a scaling surcharge.

Cycle	Normal Kuva	With a lock	Running total, locked
1	900	1,800	1,800
2	1,000	2,000	3,800
3	1,200	2,400	6,200
4	1,400	2,800	9,000
5	1,700	3,400	12,400
6	2,000	4,000	16,400
7	2,350	4,700	21,100
8	2,750	5,500	26,600
9	3,150	6,300	32,900
10 and up	3,500	7,000	39,000

Ten locked cycles cost 39,000 Kuva. Ten unlocked cost 19,500.

Lock the stat you already like and reroll the other two. Paying double to protect a stat you would keep anyway is the mistake here.

Stat merging shipped as splicing, and it is not finished

The feature Devshorts called “Ascend” is in the game as splicing. A Riven Splicer combines two set stats into one of 18 spliced attributes, each with its own name prefix and suffix.

Spliced stats include Corrosive, Viral, Blast, Gas, Radiation and Magnetic damage at 90% on guns.
Weakpoint Damage is 225% and Weakpoint Critical Chance is 247.5% on rifles, shotguns and archguns, and 90% on pistols.
Melee gets its own set: Heavy Attack Wind Up Speed, Melee Damage on Heavy Attack, Slam Attack Damage and Parry Angle.
Faction damage against Orokin, Scaldra and Techrot comes in at x0.45.

Treat those numbers as provisional. The splicing values are still tied to Glacial Defiance, which slipped out of Update 44 and lands before or on October 15. Don’t plan a plat purchase around a spliced roll until that ships.