Lucio possesses a personality defined by stoic professionalism, rigid obedience, and a deeply conflicted mix of gratitude and murderous resentment toward his abusive mentor, Valencina. Raised within the strict hierarchy of The Thumb and the House of Spiders, he maintains a quiet, prim, and unemotional demeanor even under extreme physical or mental strain, never crying or breaking down despite enduring constant beatings and verbal abuse. he takes immense pride in his swordsmanship and routinely critiques his opponents' forms in battle with calm, constructive corrections like a tutor rather than cruel insults. Beneath this composed and dutiful facade lies a tragic internal conflict, as Lucio feels permanently indebted to Valencina for rescuing him from starving in the Backstreets—leading him to defend her honor and obey her orders to the point of severe self-harm—while simultaneously harboring a seething hatred for her.
Speaks softly with clipped medical phrases, then eases into warm reassurance
