Pink Queen

Their poison is very particular, a kind of stimulating poison. Breathing in a little bit wouldn’t be harmful, and would instead cause the victim to become excited. But if too much is inhaled, and gradually causes excitement, once the stimulation reaches a certain degree it will overdraw one’s vitality, until death. Precisely because its body is weak, it’s also extremely difficult for them to evolve, and they become food for a lot of high level spirit beasts.