YOU SAID:
One believes he is the slayer, another believes he is slain.
INTO JAPANESE
一人は自分がスレイヤーだと信じ、もう一人は自分が殺されたと信じている。
BACK INTO ENGLISH
One believes he is a slayer and the other believes he was killed.
INTO JAPANESE
一人は自分がスレイヤーだと信じており、もう一人は彼が殺されたと信じている。
BACK INTO ENGLISH
One believes he is a slayer and the other believes he was killed.
You should move to Japan!