He doesn't need to breed them for food anymore since he had now obtain the ability to reproduce the white stone, he need large amount of soldiers though, according to the information he received from Fringe and his clan.
The higher plane of existence have an army containing thousands of Saints, this isn't great news for their world, fortunately, they are capable of subduing other races, he'll have to use religion to gain their loyalty though.
At first, he was feeling awkward of being the symbol of a religion, he had never thought of using it to conquer other worldly planes but this is for the best, he is unlike Sans that would kill an entire world to create his army.
Undeads doesn't have any emotion or have lesser emotions compared to most living beings, because of this, they are somewhat feared by living beings, Sans was the best example for this.
