Ignorance is bliss, that's what the sages have said often. But the thing is, being ignorant doesn't protect you from the consequences of your actions.
And Rosso's crime in this particular aspect was his arrogance. There was one weakness that Rosso had never considered himself. An element that Rosso with his limited but busy life barely had time to wonder about.
Which was Arrogance.
"My greatest creation." Were the words of his creator, that had emboldened his actions till now. He might be weaker than others in certain areas, but his capabilities always exceeded his opponents due to the trove of knowledge in his head and the cheat-like ability of Isolation.
Even the cursed blood that flowed in his body was not something simple.
That altogether combined made him a fool. A fool that was blinded by his own arrogance.
And it was this arrogance of his that became Rosso's downfall.
"What do you mean?"