Warframe - Riven Disposition Changes April 2019

Riven Disposition Changes

Rivens are potentially mighty mods in Warframe. Specific to a weapon, they can be rolled and rerolled until something truly powerful emerges. I am going to assume you already know about how Rivens work, and just get straight into a big list of all the Riven disposition changes from Warframe's recent update.

Remember, if the number has become smaller, it means Rivens for that weapon has become rarer. If the number has become bigger, then Rivens for that weapon are more likely to drop in game.

Primary Weapon Riven Disposition Changes

  • Arca Plasmor: 0.7->0.6
  • Amprex: 0.85->0.7
  • Argonak: 1.1->1.2
  • Baza: 1.1->1.0
  • Boltor: 0.79->0.95
  • Braton: 1.01->1.1
  • urston: 1.25->1.3
  • Cernos: 0.92->1.1
  • Corinth: 1.05->0.95
  • Daikyu: 1.21->1.3
  • Dera: 1.25->1.3
  • Dread: 0.9->1.1
  • Ferrox: 1.1->1.15
  • Gorgon: 1.35->1.4
  • Grakata: 1.15->1.2
  • Hek: 0.7->0.85
  • Hema: 1.1->1.2
  • Ignis: 0.7->0.6
  • Javlok: 1.1->1.2
  • Lanka: 0.95->0.85
  • Latron: 1.15->1.25
  • Mutalist Cernos: 1.26->1.35
  • Nagantaka: 1->1.05
  • Ogris: 1.25->1.3
  • Panthera: 1.5->1.4
  • Paris: 1.05->1.2
  • Penta: 1.25->1.3
  • Quanta: 1->1.1
  • Rubico: 0.95->0.8
  • Scourge: 1.1->1.15
  • Simulor: 0.7->0.85
  • Snipetron: 1.165->1.25
  • Soma: 0.55->0.75
  • Stradavar: 1.25->1.15
  • Supra: 1->0.85
  • Sybaris: 0.9->1
  • Tiberon: 1.3->1.1
  • Tonkor: 0.75->0.95
  • Torid: 1.2->1.3
  • Vectis: 0.92->0.85
  • Veldt: 1.1->1.2
  • Vulkar: 1.45->1.4
  • Zarr: 1.08->1.15
  • Zhuge: 1.18->1.25

Secondary Weapon Riven Disposition Changes

  • Akbronco: 1.2->1.25
  • Akjagara: 1.43->1.25
  • Aklex: 0.92->0.85
  • Akvasto: 1.3->1.2
  • Angstrum: 1.4->1.3
  • Ballistica: 0.95->1.05
  • Brakk: 0.95->1.1
  • Bronco: 1.3->1.35
  • Catchmoon: 1->0.8
  • Cycron: 1->1.1
  • Despair: 1.24->1.3
  • Dual Toxocyst: 1.25->1.3
  • Gammacor: 0.65->0.8
  • Hikou: 0.75->0.95
  • Hystrix: 1.05->1.1
  • Kohmak: 1.3->1.35
  • Kulstar: 1.2->1.25
  • Lato: 1.4->1.35
  • Lex: 1->1.05
  • Marelok: 0.65->0.8
  • Ocucor: 1->1.1
  • Plinx: 1->1.1
  • Pox: 0.95->1.05
  • Pyrana: 1->0.8
  • Rattleguts: 1->0.9
  • Sicarus: 1.3->1.15
  • Sonicor: 0.65->0.8
  • Spira: 0.85->1
  • Stubba: 1.25->1.3
  • Tombfinger: 1->0.85
  • Twin Grakatas: 0.85->1
  • Twin Gremlins: 1.4->1.3
  • Twin Kohmak: 1.2->1.25
  • Twin Rogga: 1.15->1.2
  • Vasto: 1.4->1.35
  • Zakti: 1.1->1.2
  • Zylok: 1->1.15

As always, Riven disposition changes are a complex thing that the developers work out based on a couple of factors. The first, and seemingly most important, is how much presence a weapon has among players. If a weapon is used constantly, because it does a good job of dealing with the games challenges, the Rivens for that weapon become rarer. If a weapon is used rarely, the good Rivens will become more common for it, to help bring it up to the standard of the Top Tier weapons. 

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