1607. Cool
Noah couldn't do much with the fifth book, but that reward still taught him something. Its lessons didn't only involve the workshop. They even explained ways to improve the fake cores.
Of course, Noah didn't need those teachings for himself. His centers of power were nigh-perfect due to the influence of the black hole. Still, his companions might need some work at some point, and he wouldn't dare to miss that knowledge.
Noah reviewed the teachings of the fifth book while the army approached the sixth layer. The energy contained inside the head also flowed toward his black hole while the clearing of the pyramid reached its last phase.
Absorbing energy in the upper tier wasn't easy, especially since Noah was still in the gaseous stage. It would take him time to absorb that power, but he wasn't in a hurry to complete the process.