"Forgemastering requires not to shape the core, but to build it with the proper set of runes according to your needs. To overcome the limits of fake mages, you must imbue the runes made out of Spirit Magic with your willpower, or the mana will fall apart."
"Fuck me sideways! I can't believe I did it wrong the entire time." Lith's yell drew the attention of the class to himself.
He knew the runes of the regular Skinwalker armor like the back of his hand, having crafted dozens of them between practice and prototypes. Several strings of runes floated in front of him, almost resembling a musical score.
Lith removed a few runes, replaced some, and rearranged others, forming the four pseudo cores that comprised the enchantments of the Skinwalker armor. They weren't just perfect in shape and size, but also their mana flow was stronger and smoother.