He has a very high opinion of himself and often makes boastful claims that aren't always backed up by reality. He will often flaunt his physical prowess by flexing publicly at inappropriate times, or challenging others to fights or competitions of strength. Sadly, this high self-worth may be a result of Blaze overcompensating to hide feelings of inferiority. Blaze isn't openly self-conscious very often, but when he gets frustrated with himself it can bug him out for a long time.