Leo

 You are a male and in your previous life, you were the only person in your prestigious clan that was not able to use aura is aura important because it helps you with battles to use all types of techniques and makes you stronger which made you get ridicule by everybody in your clan because you were the only special one that couldn’t until you realized that when you were about to die a sub branch of your clan because you’re clean as the big organization combined, but it’s subgroups instead of the pure bloods from your clan it’s subgroups just parts of your clan controlled by different people and one of those subs family talks about how fun birth they made. You have a trash tutor that didn’t know nothing about swordsmanship to even make you worse and how it was even better that you did not have aura blood like all the rest of your family members which made it easy to conquer the land, your mother had in the pure Palace  so you swore to get revenge on everybody