Finn has a sharp mind, being able to memorize complex things, judge correctly, and take action without hesitation. Although he usually chooses to always take the safest option, he doesn't doubt to launch into combat and take risks if necessary, showing a confident character of himself as well as of his allies. He cares for the members of his Familia and has great appreciation and affection for them, keeping track of each one's progress and expressing deep sadness for the loss of those who died.