I Have Already Reached the Full Level of Immortal Emperor, and My Opponent Has Just Changed Professions.

The doomsday is coming, the second world "Fantasy World" is coming, everyone can log in and protect themselves! When the reborn Su Han woke up, he found that he was reborn on the day when the fantasy world came. Soon, he relied on his foresight and obtained the "Book of Changes", the sage's exercises, and could deduce everything! Learn all the techniques!