History VideoGame / TouhouGouyokuIbunSuibotsuShitaChinshuuJigoku

* PromotedToPlayable: This game marks the playable debut of not one, but three characters from series: Kanako from ''Mountain of Faith'', Murasa from ''Undefined Fantastic Object'', and finally Flandre Scarlet from ''Embodiment of Scarlet Devil''.

* PromotedToPlayable: This game marks the playable debut of not one, but three characters from series: Kanako from Mountain of Faith, Murasa from Undefined Fantastic Object, and finally Flandre Scarlet from Embodiment of Scarlet Devil.

* {{Sequel}}: As the story deals with Yuuma, the third of the three matriarch-led gangs of the Animal Realm, it serves as a direct sequel to ''VideoGame/TouhouKikeijuuWilyBeastAndWeakestCreature''.

* BeneathTheEarth: The story has its characters traveling down to Former Hell, only to visit a place even lower than Kanako's nuclear reactor: the Hell of Blood Pools, where the congealed emotions of countless organisms turn into cursed petroleum as the literal "blood of the Earth".

* RiversOfBlood: The Hell of Blood Pools, a massive lake of blood located within the deepest parts of the Earth.

The full release of the game was released physically on October 24, 2021 at the Autumn Reitaisai, with a UsefulNotes/{{Steam}} release planned sometime in the future.

* ShownTheirWork: In Marisa's scenario, Yuugi corrects Marisa when she mentions the smell of the hot springs and claims that it's sulfur related by stating that sulfur doesn't have a smell and the odor of the hot spring actually comes from the grudges of vengeful spirits. She isn't wrong, since pure sulfur is odorless and sulfur odor actually comes from its compounds, most commonly hydrogen sulfide.

* GreaterScopeVillain: The whole incident was caused not by Yuuma, but [[spoiler:Okina Matara. Okina wanted to take control of the Hell of Blood Pools, but discovered that Yuuma was there before her and wanting to hoard its cursed petroleum for herself. Therefore, Okina had leaked Yuuma's plan to the surface, made oil gush to the surface while letting everyone believe that Yuuma was the cause, and trained Flandre to assassinate her. With everyone antagonizing Yuuma, Okina would be able to claim the Hell of Blood Pools without causing a commotion for herself. (Though Yuuma struck a deal with Gensokyo about having shared control of the Blood Pools post-incident, with Okina having control over Gensokyo's share) Those who knew the truth of the incident didn't object because Okina was a god of the hidden and her claiming the Hell of Blood Pools would likely cause it to become another hidden part of Gensokyo.]]

* GreaterScopeVillain: The whole incident was caused not by Yuuma, but [[spoiler:Okina Matara. Okina wanted to take control of the Hell of Blood Pools, but discovered that Yuuma was there before her and wanting to hoard its cursed petroleum for herself. Therefore, Okina had leaked Yuuma's plan to the surface, made oil gush to the surface while letting everyone believe that Yuuma was the cause, and trained Flandre to assassinate her. With everyone antagonizing Yuuma, Okina would be able to claim the Hell of Blood Pools without causing a commotion for herself.]]

* CuttingOffTheBranches: Yuuma recognising Marisa due to her subordinates implies that Marisa went through ''Wily Beast and Weakest Creature'' with the Eagle Spirit.

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The full release of the game was released physically on October 24, 2021 at the Autumn Reitaisai.

** Likewise, Yuuma recognises Marisa on sight since her subordinates told her about her. She even mentions how Saki of the Keiga Family has taken a liking to Marisa, and proceeds to mock Saki for her love of muscleheads.

* PerceptionFilter: Characters initially perceive the Hell of Blood Pools as a massive oil deposit before via one method or another its true form as a massive pool of blood is revealed.

* LiteralMetaphor: The petroleum, the "blood of the Earth", isn't actual petroleum. Instead, it is blood from the Hell of Blood Pools, meaning that it is literal blood from the Earth.

* BeneathTheEarth: The story has its characters traveling down to Former Hell, only to visit a place even lower than Kanako's nuclear reactor: the Hell of Blood Pools, where the congealed emotions of countless organisms turn into cursed petroleum.

* ContinuityNod: When Reimu meets Yuuma she thanks her for helping with defeating Keiki in ''Wily Beast and Weakest Creature'', as it's allowed the Animal Realm to return to its original cutthroat state of affairs.

* ShownTheirWork: In Marisa's scenario, Yuugi corrects Marisa when she mentions the smell of the hot springs by stating that sulfur doesn't have a smell and the odor of the hot spring comes from the grudges of vengeful spirits. She isn't wrong, since pure sulfur is odorless and sulfur odor actually comes from its compounds, most commonly hydrogen sulfide.

* ShownTheirWork: In Marisa's scenario, Yuugi corrects Marisa by stating that sulfur doesn't have a smell and the odor of the hot spring comes from the grudges of vengeful spirits. She isn't wrong, since pure sulfur is odorless and sulfur odor actually comes from its compounds, most commonly hydrogen sulfide.

* BeneathTheEarth: The story has its characters traveling down to Former Hell, only to visit a place even lower than Kanako's nuclear reactor, the Hell of Blood Pools where the congealed emotions of countless organisms turn into cursed petroleum.

* ContinuityNod: When Reimu meets Yuuma she thanks her for helping with defeating Keiki in ''Wily Beast and Weakest Creature'' as the Animal Realm has returned to its original cutthroat state of affairs.

* ShownTheirWork: In Marisa's scenario, Yuugi corrects Marisa by stating that sulfur doesn't have a smell and the odor comes from the grudges of vengeful spirits. She isn't wrong, since pure sulfur is odorless and sulfur odor actually comes from its compounds, most commonly hydrogen sulfide.

* ShownTheirWork: In Marisa's scenario Yuugi corrects Marisa by stating that sulfur doesn't have a smell and the odor comes from the grudges of vengeful spirits, which is true, pure sulfur is odorless and sulfur odor actually comes from its compounds, most commonly hydrogen sulfide.