[You have entered the final stage: World Chessboard.]
[High-dimensional beings have issued an invitation for a final battle. Do you accept? (If not accepted, the war will proceed according to the normal world invasion process, meaning all life in The World of Old Days will resist the Black Mist, with estimated deaths exceeding two billion people.)]
[Representative of The World of Old Days' civilization, Su Ming'an, please provide an answer.]
...
[Representative of The World of Old Days' civilization, Su Ming'an, has accepted the invitation for the final battle.]
