👹

Kasen Ibaraki: Sage and Oni Details

Apr 28, 2025

Kasen Ibaraki - Lecture Notes

General Information

  • Name: Kasen Ibaraki (pseudonym: Ibarakasen)
  • Species: Oni/Hermit
  • Age: Over 1,000 years
  • Occupation: Sage
  • Location: Youkai Mountain (Senkai), also seen at Hakurei Shrine

Personality

  • Kind and polite but preachy and critical
  • Volunteers to help others (e.g., Reimu Hakurei)
  • Tries to keep Gensokyo isolated from the Outside World
  • Aligns lifestyle with hermits and celestials

Abilities

  • Guiding Animals: Communicates with and guides animals, including cryptids and dragons.
  • Artificial Arm: Bandaged right arm is artificial, made of black smoke; can detach and act independently.
  • Fangshu: A technique to hide her home, making it accessible only through a specific path.
  • Has used light orbs and instant movement in her hermit arts.
  • Can create openings in the Hakurei Barrier.

Possessions

  • Ibaraki Box of a Hundred Medicines: Can cure all illnesses or injuries.

Species

  • Once part of the Big Four of the Mountain, confirmed as an oni in Chapter 49 of Wild and Horned Hermit.
  • Despite being an oni, adheres to hermit ideals.

Food

  • Eats normally with a preference for sweets, despite hermits not needing food after 500 years.

Backstory

  • Was once a wicked oni; malevolence sealed in her right arm.
  • Travelled to Hakurei Shrine to see shrine maiden as the arm seal weakened.

Character Design

  • Based on oni Ibaraki-douji, known for carrying severed arm.
  • Name derived from Ibaraki-douji, meaning "thorn bush".
  • "Kasen": homophone with Eight Immortals' female member, indicating affinity with animals.

Appearances

  • Main protagonist in "Wild and Horned Hermit."
  • Appearances in "Oriental Sacred Place," "Urban Legend in Limbo," and "Antinomy of Common Flowers."

Relationships

  • Reimu Hakurei: Mentored Reimu to seal Kasen's wicked arm; developed a genuine friendship.
  • Marisa Kirisame: Met her before Wild and Horned Hermit, known for accepting her preachings.
  • Kasen's Pets: Includes cryptids like dragons.
  • Ibaraki-douji's Arm: Sentient, malevolent; once reattached but sealed again.

Sages of Gensokyo

  • Yukari Yakumo: Both are youkai sages, but Kasen is more aligned with celestials.
  • Okina Matara: Acquaintance and fellow sage.

Minor Relationships

  • Sanae Kochiya, Kanako Yasaka, Suwako Moriya: Friendly but critical of their actions.
  • Komachi Onozuka: Slightly antagonistic; under surveillance.
  • Suika Ibuki and Yuugi Hoshiguma: Familiar with Suika; avoided revealing her status.
  • Sumireko Usami: Met multiple times; helps monitor her trips to Gensokyo.

Trivia

  • Kasen was considered as the Extra Stage boss for "Ten Desires."
  • Her title "The One-armed Horned Hermit" links to Noh play character.
  • Appears in games despite debuting in print works, like Aya Shameimaru.