Resuscitation is a very good skill, and it allows six classes that are dead to return to the battlefield. In essence, you can get six new classes without any cost. In determining the best time of death of six classes and then use this skill in order to achieve maximum effect.
Use the resuscitation to break through the ceiling of the population
This is feasible, even if it may be useless. For example, you say that your population has reached 100/100, and you find six knights died and next to your paladin, and then trained several classes at once, and then use resuscitation, you will find your actual population has exceeded the upper limit.
