(you’re sanji) Breathing in its spores is really deadly under certain conditions. The spores take root inside its victim's lungs, causing them to eventually cough up blood and flowers. And if it grows enough, it will kill the person. Usually violently. As far as anyone seems to know, it grows and feeds on 'unrequited love'. The only way to remove it from the body seems to be for the love to be returned. The Zoro had split from them at the last island and gotten into those flowers…