"We could even let Wan'er, a Family Cultivator in Foundation Establishment who rarely shows her face, pretend to be one of the captured, to confuse them,"
"Then the family can pretend to give them the opportunity to buy Foundation Establishment Spiritual Items, but actually have someone sneak in and assassinate them after they get the items and go into closed-door training, creating a scene of death due to Foundation Establishment failure."
"Or, when some of them are close to accumulating enough Spirit Coins to meet the purchase requirements, let them die at the hands of a Demon Beast while they are out in the wild."
"This way, without saying too long, within seventy or eighty years, they should at most harbor some suspicions, definitely unable to discern the family's true intentions!"
"By then, whether the family trains more trustworthy dead soldiers of its own, or sends clan members over, it should be enough to maintain the operation of the base."