The Wise Trickster of the Sacred Forests
| Japanese Name | 狐 |
| Romanization | Kitsune |
| Classification | Shapeshifting Animal Spirit |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■■□□□ (Level II – Caution) |
| First Recorded | 8th Century CE |
The Silent Guardian of Ancient Trees
| Japanese Name | 木霊 |
| Romanization | Kodama |
| Classification | Tree Spirit |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■□□□□ (Level I – Minimal) |
| First Recorded | 927 CE — Engishiki |
Kodama are spirits associated with trees, particularly old or significant trees. Japanese tradition remembers them as presences inhabiting the wooded landscape, capable of inspiring reverence as well as fear. The word later also came to mean an echo, reflecting an older belief that voices returning from mountains and valleys could be the response of a spirit within the landscape.
The Shape-Shifter Beside the Road
| Japanese Name | 化け狸 |
| Romanization | Bake-danuki |
| Classification | Shapeshifting Animal Spirit |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■■□□□ (Level II – Caution) |
| First Recorded | Early 17th Century CE |
Bake-danuki are supernatural tanuki associated with disguise, transformation, mischief and comic deception. Unlike the more ethereal fox traditions, tanuki stories often feel earthy and theatrical, with the animal fooling travellers, disguising itself as people or objects, and turning ordinary situations into elaborate supernatural performances.
The Blood-Drinking Tree of the Battlefield
| Japanese Name | 樹木子 |
| Romanization | Jubokko |
| Classification | Blood-Feeding Tree |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■■■■□ (Level IV – Severe) |
| First Recorded | 1966 CE |
The Voice That Returns from the Mountain
| Japanese Name | 山彦 |
| Romanization | Yamabiko |
| Classification | Mountain Echo Spirit |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■□□□□ (Level I – Minimal) |
| First Recorded | 1776 CE — Gazu Hyakki Yagyō |
The Red-Haired Spirit of the Banyan
| Japanese Name | キジムナー |
| Romanization | Kijimuna |
| Classification | Shapeshifting Animal Spirit |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■■□□□ (Level II – Caution) |
| First Recorded | Traditional Okinawan Folklore |
The Thing That Drops from the Trees
| Japanese Name | 釣瓶落とし |
| Romanization | Tsurube-otoshi |
| Classification | Tree Spirit |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■■■□□ (Level III – Dangerous) |
| First Recorded | Early 20th Century Folklore Records |
The Thing That Drops from the Trees
| Japanese Name | 釣瓶落とし |
| Romanization | Tsurube-otoshi |
| Classification | Ambush Spirit |
| Expedition | Expedition I — Sacred Forests |
| Threat Level | ■■■□□ (Level III – Dangerous) |
| First Recorded | Regional Oral Tradition |
The Woman in the Falling Snow
| Japanese Name | 雪女 |
| Romanization | Yuki-onna |
| Classification | Snow Spirit |
| Expedition | Expedition IV — Winter Apparitions |
| Threat Level | ■■■□□ (Level III – Dangerous) |
| First Recorded | Late Muromachi–Early Edo Period — Fushimi Tokiwa |
The Corpse-Thief of the Funeral Road
| Japanese Name | 火車 |
| Romanization | Kasha |
| Classification | Corpse-Stealing Spirit |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■■□ (Level IV – Severe) |
| First Recorded | Kii Zōdan-shū — 17th Century CE |
The Mother Who Could Not Let Go
| Japanese Name | 産女 |
| Romanization | Ubume |
| Classification | Maternal Ghost |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■□□□ (Level II – Caution) |
| First Recorded | Konjaku Monogatari-shū — c. 1120 CE |
The Bird That Rises from the Unburied Dead
| Japanese Name | 陰摩羅鬼 |
| Romanization | Onmoraki |
| Classification | Corpse-Born Spirit |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■□□ (Level III – Dangerous) |
| First Recorded | Taihe Hyakumonogatari — 1732 CE |
The Dead Who Would Not Be Ignored
| Japanese Name | 御霊 |
| Romanization | Goryō |
| Classification | Vengeful Spirit |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■■□ (Level IV – Severe) |
| First Recorded | Heian Period — 9th Century CE |
The Spirit That Remains After Death
| Japanese Name | 死霊 |
| Romanization | Shiryō |
| Classification | Restless Spirit |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■□□ (Level III – Variable) |
| First Recorded | Early 9th Century CE — Nihon Ryōiki |
The Spirit That Leaves the Living Body
| Japanese Name | 生霊 |
| Romanization | Ikiryō |
| Classification | Living Spirit |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■□□ (Level III – Dangerous) |
| First Recorded | Genji Monogatari — c. 1001–1014 CE |
The Corpse-Eater Condemned by Hunger
| Japanese Name | 食人鬼 |
| Romanization | Jikininki |
| Classification | Corpse-Eating Spirit |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■■□ (Level IV – Severe) |
| First Recorded | Kwaidan — 1904 CE |
The Presence That Calls Toward Death
| Japanese Name | 死神 |
| Romanization | Shinigami |
| Classification | Death-Associated Spirit |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■□□ (Level III – Dangerous) |
| First Recorded | 1709 CE — Chikamatsu Monzaemon |
The Dead Who Return
| Japanese Name | 幽霊 |
| Romanization | Yūrei |
| Classification | Ghost of the Dead |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■■■□□ (Level III – Variable) |
| First Recorded | 1089 CE — Chūyūki |
The Four-Eyed Exorcist Who Drove Out the Dead
| Japanese Name | 方相氏 |
| Romanization | Hōsōshi |
| Classification | Ritual Exorcistic Figure |
| Expedition | Expedition X — Spirits of Death |
| Threat Level | ■□□□□ (Level I – Protective) |
| First Recorded | 706 CE — Shoku Nihongi |