Killing StoneThe Killing Stone of Nasu, the Poison-Breathing Stone
Sesshōseki
Detailed Description
This version looks at how the Sesshōseki, as a poison stone, has been told of on the noh stage and at sites of worship. In the noh play Sesshōseki[1], when the traveling priest Gennō approaches the stone on the Nasu Plain, a village woman appears and tells the stone’s origin; in time the stone splits open and the spirit of the fox emerges from within. The spirit repents of the evil deeds of its life, vows to attain buddhahood, saved by the priest’s ritual power, and vanishes. Here the Killing Stone is not merely a stone that kills, but something in which a lost soul dwells, to be quieted through memorial rites.
Around the Killing Stone lies a desolate land where no plant grows and sulfurous smoke hangs in the air, called from of old the Sai-no-Kawara, lined with countless Jizō statues that mourn the dead. The Nasu Onsen Shrine stands close by, and at its Goshinka (Sacred Fire) Festival each May, a rite is said to be held in which the shrine’s fire is carried before the stone to quiet the mountain’s fire and the stone’s numinous power.
Seen this way, the dread of the Killing Stone is rooted less in a stone that moves of its own will than in the sense of a boundary: “step past here and you lose your life.” The very zone filled with poison fumes was feared as a threshold between the world of the living and the world beyond, and it was believed that calamity reached only those who trespassed that boundary.
Source Information
種類全体の出典primary
玄翁／玄能（語源由来辞典）
出版社: 語源由来辞典
種類全体の出典primary
国指定名勝 殺生石と那須伝説
年代: 2014
出版社: 栃木県那須町
種類全体の出典reference
殺生石（謡曲）
著者: 作者未詳（世阿弥作とも）
年代: 室町時代
出版社: （能・上演記録は1503年『実隆公記』）
種類全体の出典primary
おくのほそ道
著者: 松尾芭蕉
年代: 1689
出版社: （紀行・元禄2年の旅、那須殺生石を記す）
種類全体の出典primary
今昔百鬼拾遺
著者: 鳥山石燕
年代: 安永10年（1781年）
Personality
It does not move of its own accord, yet it brings any who trespass its bounds quietly and mercilessly to death. To those who keep their distance in awe, it does nothing.
Compatibility
Harmless to those who pay reverence and keep the boundary; a calamity to those who, grown arrogant, step across it
Abilities & Skills
Weaknesses
Deliverance through sutra chanting and ritual power (the Gennō episode) / fracture by wind, rain, or crustal movement / a reverent heart that does not trespass the boundary
Collection Inclusion
This yokai is included in the following collections:
診断評価
妖怪バウンダリー・タイプ指標
いたずら濃度
1.0high: 戯 low: 護
📝 メモ
近づく命を奪うが能動的な悪戯ではない
変化適応
2.0high: 化 low: 定
📝 メモ
九尾狐が石へ変じ破片が各地へ飛ぶ
夜話度
1.0high: 夜 low: 昼
📝 メモ
毒石の怪だが夜の出現に限定されない
情の深さ
2.0high: 縁 low: 境
📝 メモ
玉藻前の怨念を宿す石として語られる
結界強度
3.0high: 律 low: 流
📝 メモ
賽の河原と毒気の立入境界そのものになる
表舞台圧
2.0high: 表 low: 影
📝 メモ
那須の毒気地帯にある名高い毒石として場を圧する
妖怪相性診断
喜び
0.5喜びと楽しさの程度
📝 メモ
喜びや遊興性の描写はなく、冷厳・近寄りがたい性格。
怒り
6.0怒りの激しさの程度
📝 メモ
直接的な怒りの人格は薄いが、『災いをなす石』として畏怖され、怒気に準ずる表象が強い。
慈悲深い
1.0慈悲深さの程度
📝 メモ
慈悲の表現は乏しく、むしろ禁忌破りに災い。僧の鎮魂により害が和らぐ点のみ微小に加点。
憂鬱
5.5憂鬱で思慮深い程度
📝 メモ
荒涼たる景と祟り物化の後日譚が哀感を帯びるが、中心は禁忌と害気で中程度。
静寂
7.0内なる平静の程度
📝 メモ
動かぬ石・静謐な境域としての性格が強い。外形は静、近づけば危ういという二面性。
いたずら好き
0.5いたずら好きで活発な程度
📝 メモ
戯れや悪戯の要素はほぼ皆無。
やさしい
0.5やさしく親しみやすい程度
📝 メモ
毒気を放つ境域として畏れられ、親和性は極めて低い。畏敬を払えば無害とする伝承をわずかに加味。
厳格
8.0厳格で真面目な程度
📝 メモ
結界・禁忌を破れば災うという厳格な規範性が核。
守護的
3.0他者を守る傾向
📝 メモ
結界として近づけない機能は秩序維持的だが、基本は害気で守護意図は弱い。祭祀との連関でわずかに保護性を評価。
神秘的
8.5神秘的で不思議な程度
📝 メモ
九尾狐の化生・怪石譚・名所伝承・禁忌が重層化し強い神秘性を帯びる。
霊性の深さ
8.5精神的境界の深さ
📝 メモ
仏教的戒・法力・鎮魂、名所伝承と在地信仰が重なり霊性解釈が深い。
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