The Spread Shot of Fujiwara no Mokou from the world delirious with eternal winter (a Touhou LW original). She attacks with the heat of condensation. There are many ways to produce heat, and one of them is squeezing. The increase in density concentrates the heat over a smaller surface area, making it hotter. Squeezing someone with a nice big hug should also do the trick!

The Focus Shot of Fujiwara no Mokou from the world delirious with eternal winter (a Touhou LW original). She attacks with the heat of vaporization. There are many ways to produce heat, and one of them is heat transfer. When heat is transferred between two objects, one becomes hotter and the other colder. That's why holding someone's hand feels so warm.

A Spell Card of Fujiwara no Mokou from the world delirious with eternal winter (a Touhou LW original). She attacks with cool air. Since Mokou can manipulate heat, she can also generate cold. It's fairly common for caves and tunnels to form at the base of volcanoes, and sometimes, they're so cool inside that people use them as natural refrigerators. If something produces heat, there is always something else that produces cold. That is how the equilibrium is maintained.

A Spell Card of Fujiwara no Mokou from the world delirious with eternal winter (a Touhou LW original). She attacks with freezing air. It's interesting how cold air can blow through the caves and tunnels of a scorching hot volcano. There's a lesson here. Some people may appear to be burning with passion or fury, but on the inside, they're as cold as ice. It's possible that Mokou used to be like that.

The Last Word of Fujiwara no Mokou from the world delirious with eternal winter (a Touhou LW original). She thinks about the god of the Youkai Mountain in this attack. Long ago, in the age of the gods, the Youkai Mountain was called Yatsugatake and was ruled by the goddess, Iwanagahime. Her younger sister, Sakuyahime (also known as Asama), is the goddess of Mount Fuji. There are many shrines in Japan dedicated to Sakuyahime, but in some of them, Iwanagahime is also worshipped alongside her. It seems almost a given at this point, but again, the younger sister is more powerful than her older sibling. However, Mokou felt more of an affinity with the older goddess of rocks and volcanic eruptions than the younger goddess of cherry blossoms and extinguishing fires. Both Mokou and Iwanagahime are cursed to live forever while bearing the shame of their past actions. It's also possible that Mokou learned how to manipulate fire thanks to their connection. Everyone seems to think that Mokou's perfect match is either Keine or Kaguya, but could there be another contender? No, there's no way...