YOU SAID:

he will die eventually

INTO JAPANESE

彼は最終的に死ぬだろう

BACK INTO ENGLISH

He will eventually die

INTO JAPANESE

彼は結局死ぬだろう

BACK INTO ENGLISH

Would he end up dying

INTO JAPANESE

彼は死んでをしまうだろう

BACK INTO ENGLISH

He will die and die

INTO JAPANESE

彼は死ぬ、死ぬ

BACK INTO ENGLISH

He dies and die

INTO JAPANESE

彼が死ぬと死ぬ

BACK INTO ENGLISH

He dies and die