If this were a normal world, leaking the secret information wouldn't be easy. As long as workers remained loyal, nobody could find the secret.
But this wasn't a normal world. In this world, soul searching was quite famous and even easy for powerful cultivators.
Even if he used a contract or binding vows to force those array masters from spilling the secrets, he couldn't control others.
As long as his enemy captures one of those array masters, he could easily learn the secret.
But if they decided not to hire any array masters, it would only overwhelm Elena.
Don't forget, she was not only designing the arrays for those machines but also making them capable enough to produce bombs.
She was also working on arrays capable of automatically creating arrays.
After all, these weren't normal bombs. They were bombs that used mana for an explosion.
So, they required certain instructions to be placed to them using an array
