YOU SAID:
If you want to battle do enter now
INTO JAPANESE
バトルしたいなら今すぐ入ってください
BACK INTO ENGLISH
Join now if you want to battle
INTO JAPANESE
戦いたいなら今すぐ参加しましょう
BACK INTO ENGLISH
Join now if you want to fight
INTO JAPANESE
戦いたいなら今すぐ参加しよう
BACK INTO ENGLISH
Join now if you want to fight
That didn't even make that much sense in English.