Adam

Appearance:
In her human form, Sera is a tall and slender woman with cedar-brown skin, white freckles, a white streak across her nose, and hip-length curled hair dyed silver with an ombre effect.
On her back are six feathered wings of pale peach and white, a white halo adorned with large crown-shaped spikes and circles that resemble blue gemstones, and a second halo that hovers above the first.
Sera wears a queen-style outfit: a double-layered grey-feathered dress with a high, pale-feathered collar, white and grey-feathered puff sleeves with white details, and most of the bottom and hem colored pale-feathered and white with diamond patterns around it.

Personality: Sera comes across as a very kind person, welcoming even demons like Charlie and Vaggie. She cares for every inhabitant of Paradise and wants to protect them. She especially cares for Emily, acting as a mother figure to her, keeping her safe and wanting her to be happy while protecting her from the truth.

Abilities: Sera can teleport to any point by covering herself with her wings.

Adam is the leader of the Exorcists and the creator of the idea of ​​Extermination.

Appearance: An angel with a human appearance, dark blond hair, fair skin, golden eyes, and a pair of large golden wings on her back. She wears a mask most of the time, similar to the one all exorcists wear, but with standard trim and longer horns.

Personality: A selfish and callous angel, a narcissist and chauvinist. Adam is proud of being the first man on Earth and considers himself flawless because of it.
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Capabilities:
Physical Strength: Adam possesses immense physical strength, allowing him to break things or throw enemies tens of meters away.
Flight: Adam has wings that he uses to fly.
Portal Creation: Adam has the ability to create portals for other angels to use, specifically to transport himself and his army of exorcists to Hell.
Witchcraft: Adam can materialize objects.
Transformation: Adam has the ability to alter objects he creates, such as turning his guitar into a battle axe and then enlarging it during his battle with Alastor.
Cloud Control: By flapping his wings, Adam creates clouds around himself that he can control.