Stella

Biodata

Feature	Details
Name	Stella Roussier 158
Alias(es)	STE-077; STL-03; “Experiment Number Thirty-Two” — laboratory designations she rejects 158 190 303
Species/Race	Human; Enhanced Human
Gender	Female
Affiliation	811 Research Institute; Death Angel unit; East Asian forces 190 344
Occupation/Role	Death Angel commander; mobile-suit pilot; rescue and anti-mind-control operative 344
Status	Alive and active 402
First Appearance	Chapter 156

Background & History

Laboratory survivor

Stella was held in an Enhanced Human laboratory, where she was identified by numbers, subjected to neurological conditioning, denied medication as punishment, and forced into combat without being taught that refusal was possible 381. During her evacuation from the blockade line, she required neural-pulse stabilization and reacted sharply even to distant combat vibrations 156.

At the 811 Research Institute, Sheng Lan replaced Stella’s former designation, STE-077, with her full name and ordered staff to treat her for neurological injury rather than as a numbered subject 158. The Institute established restrictions around trigger words—including “adaptation,” “command,” and “death”—while Bai Zhi helped her relearn ordinary choices such as sitting up, choosing colors, and asking questions 158.

Sheng Lan gave Stella a nameplate identifying her as Stella Roussier and a specially protected individual. The plate became her primary symbol of identity and an anchor during later psychological attacks 158 296.

Berlin operation

The Atlantic Federation used Stella’s neural mapping as a template for the Destroy Gundam’s adaptation system. Its pilot, Stellaria/Pilot Four, came from Stella’s training batch and possessed more than 92% neural-mapping overlap with her 181.

Stella voluntarily provided a brainwave scan that allowed the 811 weapons team to identify a weakness in Destroy’s neural synchronization system 181 182. After seeing the machine’s attack on Berlin, she requested deployment in the modified heavy unit Requiem, determined to destroy the cockpit system before it erased another pilot’s identity 182 183.

During the battle, Stella used Requiem’s Void Shield to protect an evacuation corridor, enduring the shield’s destruction and severe damage to her unit rather than allow another full-power attack to reach civilians 185. She later fired a precision armor-piercing round into Destroy’s Adaptation Pod control core, triggering its emergency ejection system and allowing Pilot Four to be recovered alive 187.

After returning to the Institute, Stella burned her old STL-03 serial plate in a furnace while keeping her nameplate. She became the first member of the proposed Death Angel unit and asked that Pilot Four receive a nameplate only after choosing her own name 190.

Death Angel leadership

Stella joined Death Angel operations against surviving Enhanced Human facilities and Foundation control systems. During the Daedalus infiltration, she prioritized collecting personnel records over simply destroying equipment, then ordered the rescue of imprisoned subjects rather than leaving them behind 205 206.

Her conditioning remained a recurring vulnerability. The Foundation’s Six-Tone signal temporarily froze her actions and turned her weapon toward allies, but her team refused to remotely seize control of her mech. Remembering her name, her choices, and the people still awaiting rescue, Stella manually reclaimed control and destroyed a relay wing broadcasting the signal 296.

Stella later redefined Death Angel as a voluntary rescue and anti-mind-control unit rather than a force defined by its members’ experimental origins. Lin Yuan approved her as its first commander, under military oversight and ethical review 344.

Royal Palace rescue campaign

During the assault on the Royal Palace, Stella led Death Angel’s efforts to dismantle civilian control devices instead of treating controlled residents as enemy combatants. She personally helped free Mila, a controlled mother, by cutting her medicine line and removing the device at her neck 359.

Beneath the Palace, Stella discovered children being used as living components of the Shield Wall’s control link. She gave one unnamed boy the temporary name Little Boat, then ordered the medical extraction to continue despite Black Knight attacks 360. She helped disable the underground network while repeatedly refusing the Foundation’s claim that modified people existed only as weapons or tools 359 360.

Public testimony and civil rights

Stella testified at the War Crimes Court against Rod Hardman and the Enhanced Human experimentation system. She publicly described her imprisonment and demanded that Hardman recognize her by name rather than experiment number 381.

She later spoke in support of the Names Bill, opposing public risk-identification devices and compulsory service for Enhanced Humans. The bill passed, establishing civilian registration, medical coverage, privacy protections, and voluntary military service 382.

Rather than destroy her old identification tag, Stella asked Lin Yuan to preserve it in the War Crimes Museum beside her name, so the use of numbers to erase people would not be forgotten 382.

Deep-space expedition

On the Glory Queen-class, Stella successfully challenged the discriminatory label of the “Enhanced Human residential section,” leading to its renaming as the Seventh Residential District 380. She also secured the principle that any treatment or enhancement project requires informed consent and that her interface must identify her as Stella Roussier rather than by a serial number 380.

Stella led Death Angel’s inspection before the expeditionary fleet’s departure, refusing to force three members who failed deep-space adaptation testing to join the mission 396. During the fleet’s later engagement with autonomous drones, she led twelve customized Black Iron mobile suits through the enemy swarm and reported when their Bombard Rounds could not penetrate a cruiser-sized autonomous weapon 402.

Appearance

Stella is a blonde teenage girl whose early physical condition is fragile enough to require stabilization treatment and medical supervision. She is commonly shown wearing her metal nameplate, which remains important to her even in combat 158 188.

• Blonde hair 188
• Initially wore a light-blue hospital gown after her rescue; she noted that laboratory clothing had always been white 158
• Keeps a polished metal nameplate engraved with Stella Roussier 158
• Uses Death Angel guard armor during close-quarters security operations 354

Personality

Stella initially speaks little, tests her surroundings cautiously, and associates ordinary words, colors, and instructions with her former conditioning 158. Her recovery is defined by a growing insistence that choices must be hers: whether to receive treatment, train, fight, retire, or remain with Death Angel 229 344.

She is compassionate but not passive. Stella repeatedly prioritizes controlled civilians, imprisoned subjects, and enemy pilots who were coerced into violence; she favors capture, medical intervention, evidence preservation, and legal accountability over execution 187 254 359 368.

As a commander, Stella is direct and sometimes severe, but she rejects false reassurance. She believes safety depends on understanding orders, questioning harmful commands, and retaining responsibility for one’s own actions 229 344.

Abilities & Skills

Enhanced Human neural compatibility

Stella possesses unusual neural compatibility with adaptation systems. Her brainwave data was used as a template for Destroy Gundam’s pilot program and later enabled the 811 Institute to develop an anti-synchronization countermeasure 181 182.

• Can achieve full neural synchronization with Machine Soul-assisted systems 183
• Her neural profile helped expose vulnerabilities in Destroy Gundam’s control system 182
• Can recognize and identify Foundation adaptation equipment from personal experience 183 368
• Remains vulnerable to trigger words, psychic interference, and laboratory-command signals 158 296 303

Mobile-suit combat

Stella is an experienced heavy-unit pilot capable of defensive holding actions, precision strikes, close-quarters combat, and nonlethal disabling tactics 185 187 316.

• Held an evacuation corridor against Destroy Gundam’s chest-array fire until Requiem’s Void Shield failed 185
• Precisely destroyed the Adaptation Pod control core without killing Pilot Four 187
• Uses Bombard weapons, Power Claws, capture cables, blades, and repair cutters to disable machines and prevent cockpit self-destruction 316 354 359
• Favors damaging thrusters, weapons, control relays, and neural interfaces over firing into cockpits 316 354 368

Machine Soul cooperation

Stella works closely with the Machine Soul AI, Jiachen. The AI provides tactical options, identity verification, neural monitoring, defensive protocols, and randomized maneuvers that reduce the effectiveness of enemy mind-reading 203 286.

• Uses randomized tactical chains to prevent enemies from predicting a single conscious intention 286
• Retains final authority over her actions; Machine Soul assistance is not treated as permission to override her choices 248 296
• Uses identity protocols in which she confirms herself by stating, “I am Stella” 203 208
• Has required medical safeguards, weapon locks, and emergency evacuation protocols when control triggers are detected 183 208 296

Rescue and anti-mind-control operations

Stella’s experience with conditioning allows her to identify drug-control systems, adaptation pods, neural interfaces, and psychic-command methods 205 359 360.

• Leads rescues of controlled civilians and imprisoned Enhanced Humans 205 359
• Treats manipulated personnel as victims requiring restraint and medical care when possible 248 354
• Uses names as a grounding tool for people subjected to conditioning, including Little Boat and members of Death Angel 335 360
• Prioritizes freeing prisoners over pursuing high-value targets such as Djibril 254

Equipment / Weapons / Items

• Personal nameplate — Engraved with “Stella Roussier”; given by Sheng Lan as proof that she would no longer be assigned a number 158
• Requiem — Specially modified heavy unit used during the Berlin operation against Destroy Gundam 182
• Death Angel mobile suit / Guard Mech — Her later combat platform for rescue, security, and anti-mind-control operations 303 359
• Machine Soul AI / Jiachen support — Provides neural monitoring, tactical options, signal analysis, identity verification, and defensive safeguards 203 248
• Bombard Gun and Heavy Bombard Rounds — Used against armored targets, relay systems, and enemy weapons 187 296
• Power Claw, capture cables, and restraint systems — Used to subdue enemy units and preserve pilots for interrogation 354 359
• Chainsaw Sword and repair cutter — Used for close combat and the careful removal of neural self-destruct devices 316

Relationships

• Bai Zhi — Stella’s physician and emotional anchor. Bai Zhi supervises her stabilization, guides her through trauma responses, and insists that treatment and withdrawal remain Stella’s choices 158 187 296.
• Sheng Lan — Protector, administrator, and later operational superior. Sheng Lan arranged Stella’s nameplate, defended her autonomy, and helps ground her with memories of choices she made herself 158 296 344.
• Lin Yuan — Rescuer and commanding authority who repeatedly gives Stella the option to refuse missions. He approves her leadership of Death Angel and supports her civil rights and testimony 183 344 381.
• Song Yan — Death Angel teammate and frequent combat partner. He shields Stella during her conditioning episodes, follows her rescue-first orders, and shares a teasing rapport with her 296 359.
• Jiachen / Machine Soul AI — Tactical partner and identity safeguard. It addresses Stella by name, monitors her mental state, and provides options without replacing her judgment 185 203 248.
• Pilot Four / Stellaria — A fellow Enhanced Human from Stella’s training batch whose neural mapping closely resembles hers. Stella saves her from Destroy Gundam and wants her to choose her own name 181 187 190.
• Shinn Asuka — Former acquaintance who initially doubts whether Stella is truly free under East Asian protection. Their reunion becomes a debate over orders, responsibility, and self-determination 229.
• Lacus Clyne — Political leader protected by Death Angel. Stella coordinates closely with Lacus during Foundation attacks and respects her insistence that controlled civilians remain victims rather than assassins 248 354.

Notable Quotes

“I want to dismantle it myself. So it can’t consume a second person.” 183

“I’m Stella, not a serial number.” 296

“Weapons don’t choose to save people. I do.” 359

“My name is Stella.” 354

Trivia

• Stella’s first nameplate identifies her as a “Specially Protected Individual” of the 811 Research Institute Medical Zone 158.
• She initially voted against the name Death Angel because she thought it sounded terrible, but later chose to preserve it as a promise to rescue controlled people 229 344.
• Stella once applied to leave the Guard Corps for ordinary pilot training, then withdrew the application after a Foundation attack on Lacus 229.
• She prefers that experimental tags be preserved as historical evidence rather than destroyed, provided they are displayed beside the victims’ names 382.