YOU SAID:

Im going to be a mighty king so enemies beware

INTO JAPANESE

私は強力な王になるだろうので、敵は注意する

BACK INTO ENGLISH

I will be a powerful king, so the enemies will be careful

INTO JAPANESE

私は強力な王になるので、敵は慎重になるだろう

BACK INTO ENGLISH

As I become a powerful king, enemies will be cautious

INTO JAPANESE

私が強力な王になると、敵は慎重になります

BACK INTO ENGLISH

When I become a powerful king, enemies become cautious

INTO JAPANESE

私が強力な王になると、敵は慎重になる

BACK INTO ENGLISH

When I become a powerful king, enemies become cautious