C320 Get back the green feather

I suddenly thought of a question. "How long has Your Highness been in this White World for?"

Wuxie replied, "It's been more than 300 years."

TC: "Haven't you been out lately?"

Wu Xie shook his head, "No."

TC: "Never been out before?"

Wu Xie nodded. "I haven't left since I came here. If you don't believe me, you can ask Young Di."

I am confused, Master being poisoned is a recent matter