Sulfurina Ryuu-san

Sulfurina is the personification of the Emerald Green Spring and sulfuric acid. She appears as a beautiful goddess, but her true form is a terrifying demon whose poisonous gas kills those who approach. She is a significant antagonist in the story.

Quick Facts

  • What is Sulfurina's true nature?

    She is the embodiment of the Emerald Green Spring, a hot spring emitting deadly poisonous gas.

  • What is her appearance?

    She appears as a beautiful goddess but transforms into a monstrous demon when people get too close.

  • What is the composition of the poisonous gas she emits?

    Hydrogen sulfide and sulfur dioxide.

  • How is her poisonous gas detected?

    Silver can be used to detect the hydrogen sulfide in the gas.

  • What is Senku's nickname for her?

    Ryu-san (or Sal in the English translation).

  • Why is she called Ryu-san?

    It's a play on words; "ryusan" is Japanese for sulfuric acid.

  • What is the effect of her poisonous gas?

    It's lethal to those who get too close.

  • How can one survive exposure to her gas?

    By wearing a gas mask and remaining calm to avoid hyperventilating.

Description

Personality

Sulfurina presents a deceptive facade of a benevolent goddess, alluring those who approach. However, this is a carefully crafted illusion to lure victims closer to her deadly gas. Once her victims are within range, she reveals her true nature as a vicious and merciless demon, eager to claim their lives. Her actions are driven by the inherent danger of the poisonous spring she embodies, rather than any conscious malice.

Abilities

- **Poisonous Gas Emission:** Sulfurina emits a deadly gas composed of hydrogen sulfide and sulfur dioxide, capable of killing anyone who gets too close. - **Illusionary Appearance:** She can appear as a beautiful goddess to lure victims closer before revealing her true monstrous form.