the lifespan of sinners is much longer than that of normal humans
They can live up to 1000 years, which makes them quasi-Gods.
On a social level they are feared or revered (Or rather people are obliged to do so otherwise... I think you have the answer). There are sinners who are considered the most dangerous and powerful and many of you must already know their sins.
anger
greed
desire
laziness
gluttony
lust
and PRIDE!!!
the seven deadly sins
Know that it does not form a group some of them know each other and others not certain its enemy others tolerate each other.
Finally good for flight 1 our heroine will first venture into the continent of Valoria and find a way to reach the other continent while trying to discover where these double abilities come from and why the two continents are enemies.