Perseverance

The soul of Perseverance is the color of purple. The person with a Perseverance soul has the personality of pushing forward no matter what, through any possibly obstacle that's in there way. They do things despite the challenge's difficulty in achieving success of the challenge. They're practically just as stubborn as a person with the Determination soul, but weaker. By having the strong urge of perseverance, it can boost all their magical abilities as their special abilities, along with having high stamina. This soul is contain by Sans Andale and Undyne.