YOU SAID:
When your armor becomes too damaged to be useful, you'll need to find a fresh vest or helmet to protect yourself.
INTO JAPANESE
鎧が損傷しすぎて役に立たなくなった場合は、身を守るために新しいベストやヘルメットを見つける必要があります。
BACK INTO ENGLISH
If your armor becomes too damaged to be useful, you'll need to find a new vest or helmet to protect yourself.
INTO JAPANESE
鎧が損傷しすぎて役に立たなくなった場合は、身を守るために新しいベストやヘルメットを探す必要があります。
BACK INTO ENGLISH
If your armor becomes too damaged to be useful, you'll need to find a new vest or helmet to protect yourself.
That didn't even make that much sense in English.