Character:
The mental and moral qualities distinctive to an individual.
‘running away was not in keeping with her character’
Personality:
The combination of characteristics or qualities that form an individual's distinctive character.
‘she had a sunny personality that was very engaging’
They are from Lexico.
It seems character is identified by spirit and bravery, while personality is identified by reasoning and attitudes.
Character is from an unknown world is impossible to change, contracting with personality which can be modified by practice.