YOU SAID:
Personnel are to be doused prior to engagements to increase spiritual and physical strength.
INTO JAPANESE
精神的および肉体的な強さを高めるために、従事する前に人員を殴打する必要があります。
BACK INTO ENGLISH
Personnel must be beaten before engaging in order to increase their mental and physical strength.
INTO JAPANESE
精神的および肉体的な強さを高めるために、従事する前に人員を殴打しなければなりません。
BACK INTO ENGLISH
Personnel must be beaten before engaging in order to increase their mental and physical strength.
That didn't even make that much sense in English.