YOU SAID:
Unless Mantis ability converted him
INTO JAPANESE
カマキリの能力が彼を変えない限り
BACK INTO ENGLISH
Unless the ability of the mantis changes him
INTO JAPANESE
カマキリの能力によって彼が変わらない限り
BACK INTO ENGLISH
As long as he is not changed by the ability of the mantis
INTO JAPANESE
彼がカマキリの能力によって変わらない限り
BACK INTO ENGLISH
As long as he does not change by the ability of the mantis
INTO JAPANESE
彼がカマキリの能力によって変わらない限り
BACK INTO ENGLISH
As long as he does not change by the ability of the mantis
That didn't even make that much sense in English.