Umbreon

Biodata

Feature	Information
Name	Umbreon (月亮精灵)
Alias(es)	Zou Xue (original identity); “Sister Umbreon” 905 936
Species/Race	Umbreon; evolved from Eevee 220
Gender	Female 880
Affiliation	Heiduo's team; Millennium Gym 880 905
Occupation/Role	Defensive support Pokémon, Heiduo's companion, and technology user
Status	Active 940
First Appearance	67

Power Progression

Stage / Realm / Level	Chapter	Notes
Eevee → Umbreon	220	Evolves unexpectedly in her sleep after reaching 220 Friendship. Her Ability changes from Anticipation to Inner Focus.
Minimize development	317	Can shrink to approximately Eevee-size for around an hour and a half.
Telekinesis development	317	Learns to levitate objects weighing roughly ten pounds.
Enhanced Protect	317	Develops a pale-purple barrier that absorbs impacts with a rubbery, mud-like resistance; Umbreon claims even powerful Pokémon would struggle to break it.
Heal Pulse development	317	Restores Heiduo's stamina, calms his mind, and eases soreness, but cannot yet heal genuine injuries.
Extended Minimize	422	Increases her Eevee-sized transformation time to three hours.
Transform Level 6	879 880	Uses her Golden Finger to learn Transform, then creates a temporary human form that can be maintained for about four hours.

Background

Umbreon retains a human consciousness and never fully considers herself an ordinary Pokémon. Arceus later identifies her original identity as Zou Xue, while Umbreon herself describes the experience as having “the body of a Pokémon and the heart of a human.” 322 879 936

She evolved from Eevee overnight, without intending or even realizing that evolution was imminent. Initially devastated, she had wanted to become Sylveon or Glaceon instead and considered Umbreon's Dark typing and fierce appearance undesirable. Her objections briefly vanished when Heiduo pointed out her slimmer body, only for her to discover that she now weighed about fifty kilograms. 220

Although she resists exercise and prefers comfort, Umbreon gradually makes herself indispensable as Heiduo's survival-oriented partner. Her defensive moves have protected him repeatedly, and she later trains Minimize, Telekinesis, Protect, and Heal Pulse specifically to remain useful in dangerous travel and combat. 221 317

Umbreon's desire for a human body becomes more pronounced as Heiduo's Pokémon begin forming families. Heiduo responds by raising her Transform proficiency with Attribute Points, allowing her to assume a white-haired, cat-eared human form. Her first attempt to explore the Gym in this form ends in humiliation when Tangrowth mistakes her for an intruder and paralyzes her. 879 880 881

Appearance

In her natural form, Umbreon has jet-black fur, yellow rings on her limbs and forehead, yellow markings on her ears and tail, and red eyes. Her evolution removes Eevee's thick neck ruff and dragging belly, leaving her body sleeker despite her much greater weight. 220

• Black, sleek-furred Umbreon with yellow ring markings. 220
• Red eyes and a visibly slimmer silhouette than her Eevee form. 220
• Frequently rides in Heiduo's backpack, on his shoulders, or on other Pokémon rather than walking long distances. 396 413 422
• Is sensitive about being called overweight and reacts aggressively to insults about her body. 828

Human Form

Umbreon designed her human appearance from photographs because she could no longer remember her original face. The resulting form is a white-haired girl with cat ears, a tail, and a white dress; she retains Pokémon traits, telepathy, and difficulty speaking with human vocal cords. 880

• Can maintain the form for approximately four hours. 880
• Refused to let Heiduo record her first transformation, citing privacy. 879
• Was physically verified by Mewtwo and later replicated perfectly by Blue's Ditto. 880 899
• Reverts to Umbreon when the transformation is interrupted or she lacks the energy to sustain it. 881

Personality

Umbreon is vain, lazy, snack-loving, and intensely protective of her comforts. She dislikes walking, gets seasick, worries about losing internet access, and repeatedly tries to avoid training or travel whenever she can stay near food and a computer instead. 220 270 413

She is also competitive, sharp-tongued, and prone to boasting. After receiving a portable computer, she becomes an enthusiastic forum user who argues with strangers, dreams of becoming an “internet troll,” and escalates one online dispute into an in-person challenge. 270 274

Despite her complaints, Umbreon is loyal to Heiduo and takes her support role seriously. She trains exceptionally hard when motivated, protects him in dangerous situations, and values their shared connection to their former world. Their relationship is marked by constant teasing, but both understand that they may remain each other's last link to their past lives. 317 815

Umbreon strongly rejects pity. Her past hardships and poor luck are a source of pride as well as pain, and she reacts angrily when Heiduo frames her survival as something deserving sympathy. 906

Abilities & Skills

Golden Finger

Umbreon's personal Golden Finger allows her to bypass normal movepool restrictions.

• Can learn virtually any move without normal prerequisites. 879
• Can use moves that would ordinarily require specific conditions, such as Aurora Veil without snowy weather. 220 879
• Can improve her stats or alter and add Abilities by spending points earned through battle. 330
• Must still raise move proficiency through training; her move levels do not improve automatically. 879

Defensive and Disruptive Moves

Umbreon is a tank-oriented Pokémon whose style prioritizes survival, status effects, and attrition over direct offense. 67 220

• Uses Rest, Toxic, and Yawn as core stalling tools. 67
• Uses Substitute to create a decoy capable of taking attacks in her place. 96
• Uses Foul Play to turn an opponent's own strength against them. 67
• Her enhanced purple Protect barrier absorbs physical force rather than behaving like an ordinary hard shield. 317
• Her Dark typing prevents ordinary Psychic-type attacks from directly inflicting mental damage unless the user has Miracle Eye. 220

Healing Support

Umbreon's Heal Pulse makes her a valuable survival partner for a combat-oriented Trainer.

• Restores physical stamina and relieves soreness. 317
• Calms Heiduo's mind and helps him recover after exertion. 317
• Cannot yet heal major injuries or restore lost limbs. 317

Size Manipulation and Telekinesis

Umbreon develops utility techniques largely so she can use technology and avoid the inconvenience of her full-sized body.

• Minimize reduces her to roughly Eevee-size for up to three hours. 317 422
• Telekinesis can lift objects of around ten pounds. 317
• Uses her smaller size to perch on Heiduo's shoulders or backpack while traveling. 422
• Trained “invisible claws” through extensive computer use, enabling her to collect Mega Stones for Garchomp. 603

Secret Power

Umbreon can use Secret Power to create concealed shelters.

• Formed a cave-like Secret Base of roughly thirty square meters near Mahogany Town. 396
• Expanded the base on Heiduo's orders so Silver could use it as a secure home. 396
• Tires easily after large-scale construction despite her other utility skills. 396

Transform

After learning Transform, Umbreon can reconstruct herself as a human rather than merely imitating another Pokémon.

• Her selected form is a white-haired catgirl designed from reference images. 880
• The form includes human anatomy, clothing, cat ears, and a tail. 880
• She must relearn spoken language because she has not used human vocal cords for years. 880
• Her confidence in the disguise exceeds her practical judgment; she fled rather than explain herself when confronted by Gym staff. 881

Equipment / Items

• Silver portable computer — Purchased by Heiduo for 4,300; Umbreon uses it for forums, dramas, online shopping, and later software projects. 270 815 919
• Creation Ring — Small ring purchased at Arceus's church in Camphrier Town. 839
• Heiduo's backpack — Her frequent preferred mode of transport and a position from which she can deploy shields. 413 451

Relationships

• Heiduo — Trainer, caretaker, closest companion, and fellow connection to their former world. He supports her technology obsession, accepts her complaints, and enables her human transformation, while refusing to indulge every demand. 220 317 815 879
• Lugia — Television-watching companion. Lugia uses Ability Swap and Ditto's Imposter Ability to become a second Umbreon so they can watch dramas together. 672 674
• Mewtwo — Psychically verifies that Umbreon's human form is physically convincing. 880
• Young Eevee — Umbreon becomes protective and maternal toward the female Eevee, who sleeps beside her and reminds Umbreon of an animal from her former life. 828 829
• Greninja — Umbreon selects a male Froakie and later commands its evolved Greninja while testing for the Bond Phenomenon. 838 841 905
• Heiduo's students — Acts as an unconventional older-sister figure, insisting that they call her “Sister Umbreon.” 905

Trivia

• Umbreon initially wanted to evolve into Sylveon, Glaceon, or later Leafeon rather than Umbreon. 220 318
• She is unusually vulnerable to seasickness. 270
• Her Inner Focus does not prevent her from trembling during horror films. 840
• Lugia and Deoxys have both transformed into Umbreon forms, resulting in three Umbreon watching television together. 784 785
• She once used her secret savings to gamble on Heiduo winning a Gym Leader assessment. 709