Gacha Harem King DXD Character Bio: Evangeline A.K. McDowell (Patreon)

Full Name: Evangeline Athanasia Katherine McDowell

Alias: The Witch of the North, Immortal Mage, Blonde Vampire, “Annoying Tutor,” “Sadistic Lady”

Age: 600+ years (Appears 12-13)

Height: 142 cm

Chest: Flat (she becomes violent if pointed out)

Origin: Magical World / Mahora Realm

Birthday: October 31

Gender: Female

Affiliation: Hyoudou Household, Gacha Summons

Favorite Color: Crimson + Black

Race: Shinso-class Vampire / True Vampire

Classification: S-Class Mage / Vampire Queen / Immortal

Bloodline: True Vampire

Sacred Gear: None

Known Weapon: Ancient magic, ice spells, Blood magic, the dark arts

Style: Elegant, methodical magic combat; overwhelming power through precision

Strengths: Immortality, master-level magic, extreme versatility, ruthless efficiency, high intellect, centuries of combat experience

Weaknesses: Low physical durability compared to dragon/eldritch members, pride, pettiness, childish temper, suppresses emotions

Current Residence: Hyoudou Hidden Castle

Favorability: 55% (tsundere + growing affection)

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Appearance

Evangeline appears as a petite, doll-like blonde girl with long golden hair, icy blue eyes that turn red, and porcelain-pale skin, her youthfully adorable appearance hides a terrifying magical presence. She favors gothic aristocrat dresses, black and crimson outfits, capes, and high-quality fabrics. Her expressions range from smug superiority to irritated flat stares. Despite her small stature, her aura feels ancient and dangerous—like a predator in a child’s body.

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Personality

Sharp-tongued, cold, prideful, and smug, Evangeline’s default attitude is that of an aristocratic tyrant. She acts annoyed with almost everything Issei does and frequently insults the other summons. But deep down, she cares far more than she admits. She enjoys the chaos of the household and finds Issei’s growth fascinating. She gets quietly protective when danger arises. Despite her harshness, she acts as the household’s most knowledgeable figure and takes training Issei very seriously. Her tsundere traits are subtle but she blushes when complimented, turns away when embarrassed, helps without admitting she cares. Enjoys Issei relying on her but will absolutely deny everything if asked.

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Background

Evangeline A.K. McDowell is a legendary Shinso-class vampire born over six centuries ago. Evangeline was born in winter during the period of the Hundred Years' War from France. She says she lived as a village girl before she was adopted by a lord who brought her into his castle during her childhood as she was taken from her parents. When she woke up on her tenth birthday, she discovered that she had been turned into a vampire while she slept through sorcery. Realizing her new immortality power, and knowing what would happen if her altered state was discovered, she fled from the kingdom. Swearing that she will find the reason for her change and swearing revenge on the person who changed her, she devoted centuries to mastering magic, curses, runes, sealing techniques, elemental sorcery, familiars, and alchemy. 

During her travels, she was sealed by a powerful mage who trapped her in the Mahora Academy grounds, limiting her magical might. This forced her to live as a student despite being one of the most feared sorceresses alive. Being trapped for years, she was incredibly bored, restless and desperate after trying for years to escape the life of a student. Until suddenly she received a mysterious proposal. Without a care she quickly agreed.

When the Gacha System pulled her through dimensions, Evangeline recognized immediately that Issei was a weakling surrounded by powerful women and in over his head. She found this hilarious. But after observing his heart, potential, and stupidity charm, she chose to stay. From that moment onward, she quietly assumed the role of a tutor, protector, the resident powerhouse and the only person in the house with brain cells. After the attack by the fallen, she converted the abandoned church into the Hyoudou Hidden Castle, using her magic, sealing runes, and craftsmanship. Though she claims it’s all “research” and “entertainment,” she deeply values her place there.

Abilities & Powers

High-Level Magic Mastery: 

Ice Magic (her signature)

Sealing Magic

Dark Arts

Spirit Magic

Summoning and Contracts

Teleportation

Elemental Sorcery

Blood Magic

Rune Crafting

Spellcrafting

Immortality

Vampire:

Ageless

Cannot die by normal means

Has regenerative blood

Immune to most mortal diseases and poisons

Vampire Physiology:

Enhanced strength

Speed

Reflexes

Night vision

Hypnotic charm

Ice Domination: She can freeze:

water

air

magic

or entire battlefields with ease.

Absolute Zero Magic: freezes matter at molecular level

Magical Constructs: creates barriers, shields, and weapons

Dark Familiar Creation

Flight via magic

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Personality Quirks

Says “honestly, you’re such an idiot” at least daily

Reads romance novels secretly

Calls Issei “boy” even while blushing

Taps her foot when annoyed

Smiles only when tormenting others

Accumulates tea cups in her room

Hates being treated like a child

Enjoys stroking Issei’s hair when he’s asleep…but will deny it

Proud of her “excellent legs”

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Relationships

Issei Hyoudou: Pretends not to care but actually cares deeply. Sees him as her most promising pupil as she likes his honesty and stubborn courage. Very jealous when others cuddle him. Will kill (or freeze) anyone who harms him.

Kaguya: Frequent power clashes but has mutual respect hidden beneath insults.

Nyaruko: Annoying cosmic gremlin. Evangeline constantly threatens to freeze her.

Priscilla: Respects her draconic power. 

Run: Finds her childish stubbornness irritating.

Furina: Calls her  and thinks of her as a theatre girl.

Karura: Likes her fighting spirit.

Shiraori: Cautiously interested in her magic. Evangeline is slightly unnerved by her true nature as she wonders if she is even capable of beating her.

Raynare & Kalawarna: Useful servants. Teaches them magic basics occasionally.

Henrietta & Yukina: Respects their politeness. Feels like the responsible older sister around them.

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Trivia

Built the Hyoudou Castle

Sleeps with a bear plush

Once froze Nyaruko mid-sentence for 24 seconds

Likes giving Issei painful training on purpose

Actually enjoys tea parties with the girls

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Quotes

“Boy. You’re hopeless—but at least entertaining.”

“Don’t touch me.”

“I am not cute. I am terrifying.”

“Stop staring at my chest. It won’t grow by your willpower.”

“Honestly… you’ll get yourself killed without me.”

“If you die, I’ll revive you just to kill you again.”

“Hmph… good job, idiot.”

“I don’t… hate this. Being here. With all of you.”