Indeed, Combat Artisans might learn some combat skills, but putting it simply, they could entirely forego "skills" and focus solely on "ordinary attacks."
What skills could a Level 5 character possibly possess? Nothing beyond "strength enhancement" and "agility burst," which are only effective on constructs like Walkers and the Fearless One in close combat.
However, the combat strategy Fang Hong had designed for Luo Yu involved transforming a Clockwork Fairy into something akin to the Annihilator's Shining Field, turning it into a Floating Shield. This shield didn't require any skills—only Ether Knowledge and Magic Guided Knowledge were needed for control. If Luo Yu could proficiently manage one, he could effectively protect those behind him like Tianlan, Gita, and even archers like Parker.
