質問: what does 「梢を突き破るようにして容赦なく降り付ける大粒雨に体力を削られ。」の「にして」 mean? what does 「梢を突き破るようにして容赦なく降り付ける大粒雨に体力を削られ。」の「にして」 mean?
回答: ようにして means "like" or "as if" して itself means "by." (i was ) exhausted by the heavy rain which was falling relentlessly as if it were piercing the treetop. hope it makes sense.