As he was trying to come up with methods to control the population of his disciples, he remembered the Earthly and Heavenly Battlefields, which made him think,'I can also limit the advancement rate by sending my disciples to fight on battlefields with a high casualty rate.'
'This is blameless, so no one can say that I am intentionally killing my disciples. But it might be inefficient, slow, and less accurate to control their population.'
'Then again, I could also use both methods. I am now a Dao Lord and can do whatever I want with the lives of my disciples,' he thought, making his grin wider.
Before he made the decision to increase the benefits of the lifespan to 400%, he made the calculations just to be sure that he could afford it.
