Passing on skills is a standard reward, not an advanced one. It only allows skill transfer, not spell transmission. Under these circumstances, Pella can gain part of his cultivation and become stronger but should not be able to master the Sword Control Technique.
Leon furrowed his brow, considering a possibility. He thought that the cultivation he passed on to Pella might include his understanding of spells, giving her the opportunity to learn the Sword Control Technique.
"Is there a problem?" Pella had never seen her master show such a solemn expression.
"No problem, it's a good thing." Leon reassured, though he couldn't guarantee his guess was correct, "How did you learn the Sword Control Technique? Did you suddenly feel inspired?"