Was Fai's twin in the 日本动漫 series?

Do 你 remember one of the last episodes in the 日本动漫 series? Syaoran, Kurogane, and Fai were all under this weird illusion where they say things they were afraid of 或者 something like that. I was expecting that Fai would see Ashura but instead he saw himself. Was that his twin 或者 himself? I need to go back and watch that episode, but I think it was foreshadowing his twin. Let me know what 你 think.