The threat of the orcs has passed, but a dragon hanging out in the caldera brings a new threat to the island. It appears to be sucking the life force out of the islanders to store up energy, but it would be suicidal to try to attack it head-on. While fleeing, Yotsuya and Torii stop to help one islander...
That attack it just used would've 
been a waste of energy.
فالهجوم الذي استعمله قبل قليل
كان إهداراً للطاقة
el ataque de recién habría sido
un desperdicio de energía.
ese ataque habría sido
un desperdicio de energía.
L'attacco che ha appena lanciato
sarebbe stato solo uno spreco di energie.
O ataque que usou agora
seria um desperdício de energia.