Ninjago Ser.: Phantom Ninja? by Jolyon Yates and Greg Farshtey (2014, Trade Paperback) for sale online | eBay
LEGO Ninjago™ News on Twitter: "Special part of the Samurai X Cave shows a "Phantom Ninja" with a Wu-crew sign on it. https://t.co/jEOUL5IMHC" / Twitter