The first woman's power didn't increase the cultivation level of her underlings, but it gave them the chance to explore the true depths of their power.
The privileged cultivator was basically forcing the various experts to get their hands on the true potential of their worlds and laws. She was sharing part of her energy and insights on the cultivation path, and the outcome of her technique ended up being beyond shocking.
A large chunk of Heaven and Earth's army had died during the second spent stunned, but the surviving assets saw their existences exploding with power.
That change didn't only affect the amount of energy that those experts could draw out of their worlds and laws. Their mindsets also improved and saw them gain new resolve.