Leonel didn't force himself to make a decision, still focused on assimilating more. However, part of his mind still wanted to feel like he was headed in the right direction, so he allotted some of his thoughts to organize this information slowly.
Ultimately, the main difference between the two paths was that one was focused on physical manifestations of change while the other was more focused on ethereal manifestations.
'Wait…'
Leonel had quite a real world example of this, did he not? His grandfather's step by step progression from calligraphy to painting, which category did it fall into? Was a physical? Or ethereal?
There was no fundamental change to the way Leonel utilized his Spear Force. It was fundamentally a change that occurred on the ethereal level, changing the Artistic Conception that breathed power into his spear.
That was that, case closed… Right?