B3/ロクロクビ - p2rdj @ ウィキ

ロクロクビ Rokurokubi

Rokurokubi come into being when mortals are cursed for some misdeed, though often the one who bears the curse is not the one who committed the offense, but instead their child or spouse. The curse slowly transforms the individual into a rokurokubi as they sleep. At first, their neck extends, or even detaches altogether, to let their head roam freely and engage in simple mischief like scaring neighbors or animals. The sleeper may awaken the next morning from a hazy dream of drinking the oil from nearby lanterns, only to find them indeed empty.
Over time, the bizarre acts progress to increasingly mischievous or even violent crimes. There's only a brief period during which the nascent rokurokubi might still be saved by dispelling the curse, but before long, they are fully consumed, never to sleep again.
Most rokurokubi despair at their state, seeking to drown their sorrows in drink or simply stay out of sight. A nefarious few rokurokubi embrace their fate and seek to enhance their power by completely giving in to the curse. This grants them the ability to cast potent occult spells but inevitably twists them even more toward evil.
“知識の想起”――人型生物（〈社会〉） : DC 16
一般的な知識 : DC 14
専門知識 : DC 11

ロクロクビ Rokurokubi クリーチャー2

N 中型 人型生物

出典 Bestiary 3 216ページ
知覚＋9；暗視
言語 共通語
技能 〈威圧〉＋8 (＋10 to Demoralize with Threatening Lunge)、〈運動〉＋7、〈隠密〉＋8、〈交渉〉＋8、〈社会〉＋6、〈ペテン〉＋8
【筋】＋3、【敏】＋4、【耐】＋3、【知】＋2、【判】＋3、【魅】＋4

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AC 18；頑健＋7、反応＋8、意志＋9
HP 30；完全耐性 睡眠
機会攻撃 [reaction] Jaws only
Drink Oil／Drink Oil [reaction] トリガー The rokurokubi is the target of an alchemical bomb Strike; 必要条件 The rokurokubi is aware of the attack、not flat-footed against it, and doesn't have a creature grabbed with their jaws; 効果 The rokurokubi attempts to catch the flung bomb in their mouth. They gain a ＋4 circumstance bonus to AC against the triggering attack. If the attack misses, they catch the bomb in their mouth and harmlessly drink its contents down, regaining Hit Points equal to the bomb's item level.

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移動速度 25フィート
近接 [one-action] 顎 ＋10［＋5／＋0］（巧技、間合い：10フィート）、ダメージ 1d8＋3［刺突］、加えて1d6持続［出血］
近接 [one-action] 爪 ＋10［＋6／＋2］（機敏、巧技）、ダメージ 1d8＋3［斬撃］
Extend Neck／Extend Neck [one-action] The rokurokubi extends their neck, increasing the reach of their jaws Strike from 10フィート to 20フィート until the end of their next turn.
Threatening Lunge／Threatening Lunge [two-actions] 必要条件 The rokurokubi's neck is not currently extended; 効果 The rokurokubi's head comes within an inch of their target's face before striking. They Extend their Neck, attempt to Demoralizeone opponent within 20フィート、and then make a jaws Strike against that opponent. Their Demoralize check is a visualrather than auditory effect, and they don't take a penalty if the target doesn't understand their language.

追加の知識：Long Necks, Long Tales Long Necks, Long Tales

While an encounter with a real rokurokubi is terrifying, many are familiar with them in a less chilling form as the subject of ghost stories and plays, often told by a wandering storyteller at the side of a road or at a festival. An especially common performance involves two performers against a black curtain—one with a black hood covering their head, the other covered in black tights from the neck down—portraying one creature, with a length of cloth or string between the two giving the illusion of an extending neck.