If William last a bit longer, he'd have saved himself long months of training.
"But this power rise came abruptly, I need to train to digest it…" he thought such spirit power was still raw and not refined by his spirit and body, didn't get that he already passed this stage.
It was thanks to the tough battles and intense moments he had back at the black fox world. As he trained, he lost himself there. Being at such a stage of power meant he'd need tons of time to gain a little advancement in his spirit power.
And after all this, his spirit was hungry for more spirit power to digest. After hours, Anjie woke up, found him training, making her roll her eyes in frustration.
"A workaholic man indeed," she sighed, before looking at the bright shadows that surrounded him, "they look different… He grew in power, that's my man!"