The crystal maiden, the walking geode, incredibly annoying to farm - Citrine!

Release date: 2023-02-15

Passive: Citrine emits a healing aura within a radius of 50 meters that continuously recover a base 5 Health points per second. Whenever she picks up a regular Health Orb, Dispensary produced Empowered variant, or Transmutation Probe converted Universal Orb, regeneration rate is permanently increased by 0.1 points, up to a maximum heal rate of 25 points per second.
Fractured Blast - Slash and stagger enemies with a crystal blast that inflicts Bleed. Enemies afflicted with this Status Effect have an increase chance of dropping Health and Energy Orbs.
Preserving Shell - Citrine guards herself and nearby allies with a crystalline shell that gradually decays. Kills and assists increase the defensive power of the shell.
Prismatic Gem - Deploy a gem that shoots prismatic beams. The gem targets enemies that are taking weapon damage from Citrine and her allies. Its beams inflict Heat, Cold, Toxin, and Electricity Status Effects. Status Chance and Status Duration increase for nearby allies.
Crystallize - Citrine summons crystal fractals. The fractals rush forward, seeking enemies. Enemies touched by the fractals are paralyzed crystalline growths. Hit the growths to deal Critical Damage.

Acquisition: Pain
Main and component blueprints can be obtained from Rotation C of Mirror Defense Tyana Pass on Mars. Alternatively they can be purchased from Otak in the Necralisk, Deimos with Belric Crystal Fragment and Rania Crystal Fragment.

The werewolf, one wolf pack, the furry frame - Voruna!

Release date: 2022-11-30

Passive: Voruna has 4 wolf ghostly companions, she can invoke their powers as her passive by holding their respective ability keys. 1 gives parkour velocity, 2 grants status immunity, 3 gives 100% heavy attack efficiency and 4 prevents your death once on a CD.
Shroud of Dynar - Dynar shrouds Voruna with invisibility and accelerates her speed. Invisibility ends when Voruna attacks. For a short time, melee attacks have increased Critical Damage and Status Chance and inflict Bleed. Melee kill an enemy during this time to extend the buff.
Fangs of Raksh - Raksh's fangs tear into your enemies. 5 random Status Effects are applied at 10 Stacks each on an enemy. On target's death, spread the Status Effects to other nearby enemies.
Lycath's Hunt - Lycath hunts to sustain the pack. There is a chance for enemies killed by melee attacks to drop health orbs and enemies killed by headshots to supply energy orbs. Increase the duration of Lycath's hunt by killing enemies affected by 5 or more Status Effects.
Ulfrun's Descent - Voruna drops to all fours and prepares 5 brutal charges that lock onto enemies. Ulfrun, the most powerful wolf, leads the attack as Voruna dashes toward her target. The pack deals increased damage to targets and nearby enemies that are inflicted by Status Effects. Lethal attacks double the damage of Voruna’s remaining charges.

Acquisition: Main and component blueprints can be obtained from Rotation C of Conjunction Survival Yuvarium and Circulus on Lua. Also available from Archimedean Yonta on the Chrysalith, Zariman Ten Zero with Lua Thrax Plasm.

The Spartan, poke & board master, rain of thousand spears - Styanax!

Release date: 2022-09-07

Passive: Styanax's weapon Critical Chance bonus increases by 1% per 40 Shield points, based on his current total including Overshields. Passive bonus is doubled on Speargun primary Weapons.
Axios Javelin - Throw an Axios Javelin. When the javelin impales an enemy against a wall, surrounding enemies are pulled into the area and suffer a burst of damage.
Tharros Strike - Summon Tharros, the shield of Styanax. Swing Tharros to repel enemies and reduce their shields and armor. Styanax regenerates health for every enemy struck.
Rally Point - Draw enemy attention to Styanax. His resolve uplifts nearby allies, regenerating the squad’s energy over time. Styanax and his allies also regenerate shields for every kill assist they contribute.
Final Stand - Exude might and valor. Rise into the air and throw a barrage of Axios Javelins. The javelins deal damage to nearby enemies wherever they land. Direct hits to enemies deal greater damage.

Acquisition: Main and component blueprints are available from Chipper of Kahl's Garrison with Stock earned from Break Narmer weekly missions.

The electrifying ballerina, walking Tesla Coil, the other electricity themed frame - Gyre!

Release date: 2022-04-27

Passive: Gyre's abilities gain a flat 10% Critical Chance per active Electricity status proc affecting an individual enemy to deal 2.0x Critical Damage against that enemy.
Arcsphere - Launch a Gyratory Sphere that will deal high damage on impact and periodically deal electrical shocks to nearby enemies. Hit multiple enemies at once with the initial launch to enhance damage.
Coil Horizon - Throw forward a Gyratory Sphere that will implode after a few seconds or can be manually triggered.
Cathode Grace - Gain a brief burst of increased Critical Chance and Energy Regen, with each kill extending duration of Cathode Grace. Casting is on a cooldown.
Rotorswell - Gyre’s mechanisms spin at incredible speeds, generating an Electric Field that shocks nearby enemies. When Gyre gets a critical hit, a large electrical discharge will chain from the enemy that was hit to nearby enemies.

Acquisition: Component and main blueprints can be acquired from The Holdfasts' bounties on the Chrysalith.

The sentient-warframe chimera, the forgotten, weakest part of The New War - Caliban!

Release date: 2021-12-15

Passive: Adaptation, but worse. It applies to teammates as well but they are either shield gating or running the real thing.
Razor Gyre - Become a spinning vortex of death. Hold MB1 to accelerate the maelstrom, increasing damage or target an enemy by tapping MB1 to dash toward them. Hitting enemies inflicted with Sentient Wrath creates a destructive blast.
Sentient Wrath - Smash the ground sending out a radial wave of destruction. Those not killed by the initial blast are helplessly lifted into the air, where they take amplified damage for a short time.
Lethal Progeny - Call on Caliban's Sentient aspect to produce up three Conculyst comrades to fight by his side, and repair his shields.
Fusion Strike - Converge three streams of raw energy upon a single point, causing a massive reactive blast. The fallout from the blast will strip the armor and shields from all enemies that touch it.

Acquisition: Pure pain. Main blueprint is purchased from the Market. Component blueprints are acquired from Narmer Bounties after completion of The New War.

The waverider, the other water themed frame, beaten by a random Grineer henchman in her own lore entry - Yareli!

Release date: 2021-07-06

Passive: Everflowing with the seas, whenever Yareli moves for at least 1.5 seconds, she gains the Critical Flow buff that increases Critical Chance on her secondary Weapon by 200%.
Sea Snares - Form three water globules that seek out enemies and expand on contact, simultaneously damaging and immobilizing their victims.
Merulina - Summon Merulina, a rideable creature of the waves, and the inspiration for K-Driving. Merulina protects Yareli by absorbing a large portion of incoming damage.
Aquablades - Tear through foes with a trio of orbiting aquatic blades.
Riptide - Drag enemies into a crushing maelstrom and then blow them away in a watery burst. Each enemy trapped in the vortex increases the burst's Damage.

Acquisition: Main blueprint is acquired by completing The Waverider quest. Component blueprints are acquired through Research inside the Ventkids' Bash Lab within the Clan Dojo.

The phantom, the reaper, the devourer of Forma himself - Sevagoth!

Release date: 2021-04-13

Passive: On fatal injury and entering Bleedout, Sevagoth's body petrifies into a broken tombstone as his Shadow manifests itself.
Reap - Sevagoth’s Shadow flies outward ravaging enemies in his path. Survivors are damaged by Death’s Harvest over time. The souls of the dead fill the Death Well.
Sow - Plant a death seed in nearby targets to drain their lifeforce. Reap what has been sown to detonate afflicted enemies, dealing a percentage of their health as radial damage. The souls of the dead fill the Death Well.
Gloom - Summon a radial pulse wave that ensnares and slows enemies, siphoning their lifeforce for the Death Well. Allies within the wave steal health with each attack.
Exalted Shadow - When the Death Well fills to above 75%, Sevagoth’s Shadow form is ready to be released. Tear the enemy asunder with a collection of Melee-focused Abilities.

Acquisition: Main blueprint is acquired after completing the Call of the Tempestarii quest. Components each have a 10% chance of being awarded as a bonus reward at the end of Void Storm missions exclusively in Neptune Proxima, Pluto Proxima, or Veil Proxima.

The alchemist, master of the elements, "HUNTER! Try another ability!" the frame - Lavos!

Release date: 2020-12-18

Passive: Purifying himself from all ailments, Lavos cleanses all active negative Status Effects and gains status immunity for 10 seconds upon collecting an Energy or Universal Orb.
Ophidian Bite - Lash out with a toxic serpentine strike, consuming the target to heal Lavos.
Vial Rush - Dash forward, crashing through enemies and leaving an icy trail of broken vials.
Transmutation Probe - Launch a probe that converts Health and Energy Orbs into Universal Orbs that provide both, and ammo pickups into Universal Ammo Pickups. The probe shocks enemies in close proximity. Each electrocuted foe reduces other ability cooldowns by one second.
Catalyze - Catalyst Probes erupt from Lavos and douse combatants in a fiery gel. Damage is doubled for each element afflicting an enemy.

Acquisition: Main and component blueprints are available from Father with Entrati standing.

The fragmented one, 3 frames in a trench coat, Unlimited Gun Works - Xaku!

Release date: 2020-08-25

Passive: Shifting their pieces unpredictably, Xaku has a 25% Dodge chance to harmlessly phase through incoming enemy weapon attacks, while protected by a 25% Damage Reduction against area of effect damage.
Xata's Whisper - Wield Void damage for all attacks from equipped weapons when activated.
Grasp of Lohk - Void Tendrils steal weapons from nearby enemies to use as your own floating, auto-targeting armament.
The Lost - Cycle through and cast one of the three abilities originating from the Warframes that make up Xaku: Accuse, Gaze, and Deny.
The Vast Untime - Temporarily shed the outer pieces of Xaku in a destructive blast, then stalk the battlefield in a new, swifter skeletal form. Enemies damaged by the body shrapnel are rendered weaker to Void damage.

Acquisition: Main blueprint will be awarded upon completion of the Heart of Deimos quest. Component blueprints are acquired from Cambion Drift Bounties.

The better engineer, turret frame, erectin' a dispenser - Protea!

Release date: 2020-06-11

Passive: Every 4th ability casted by Protea gains an additive 100% Ability Strength bonus.
Grenade Fan - Throw out 3 grenades in an arc. (TAP) Creates a slashing, staggering swirl of shrapnel. (HOLD) Protea reconfigures 3 Grenades to work as overcharging shield generators, protecting her, her allies and companions. When Shields break a Satellite is destroyed to extend the period of invulnerability.
Blaze Artillery - Deploys an artillery unit to blast plasma charges at enemies it faces. Each enemy hit increases the power of subsequent plasma attacks.
Dispensary - Deploys a device that generates 3 pickups after a short delay: empowered health orb, universal ammo pack and energy orb.
Temporal Anchor - Drops a Temporal Anchor which, after a short duration, Protea rewinds to triggering a temporal implosion. Implosion damage increases based on damage dealt between anchor drop and rewind. Everything lost or expended in that time is returned. Dying while Anchor is active rewinds Protea to the anchor, saving her. Protea is knocked down and the anchor vanishes.

Acquisition: Main blueprint is rewarded upon completion of The Deadlock Protocol quest. Component blueprints can be acquired from within the Granum Void.

Gauss' best friend, the meatball man, the vore frame - Grendel!

Release date: 2019-10-31

Passive: Devouring his prey whole, Grendel slowly digests the enemies he swallows via Feast. Each enemy still alive in Grendel's belly passively grants him 250 Armor, to a maximum of 1,250 bonus armor at the 5 enemy cap.
Feast - Swallow an enemy whole and store it in Grendel’s gut. Hold to vomit out stored enemies covering them in toxic bile.
Nourish - Regenerate health as Grendel absorbs nourishment from enemies in his gut. While he digests, enemies that attack or are attacked by Grendel suffer Viral Damage and energy sources provide more energy. These buffs extend to squad mates.
Pulverize - Grendel curls into a ball. He heals over time as he rolls, knocking over anyone in his path. Jumping slams Grendel into the ground and generates a damaging shockwave.
Regurgitate - Violently puke out a bile soaked enemy from Grendel’s gut, turning the consumed into a toxic projectile.

Acquisition: Main blueprint can be purchased from the Market. Component blueprints are awarded by completing certain missions on Europa using Locators, which can be purchased from the Arbitration Honors vendor found in any Relay.