只有一次調查,根據官方FAQ,探險家移動後的免費調查行動可以使用支援或事件卡的調查 arkhamdb.com/card/04002 Q: Does the ability on Ursula Downs allow me to take an investigate action on an asset or event card? A: Yes. Ursula’s reaction allows you to take any investigate action, including those performed via the activate action or via the play action. - FAQ, v.1.3, May 2018