Sun represents Ego and To shine, to create, and to express one's unique individuality.. When placed in the Fire element, this energy is expressed through Passion and Energy.
Fire energy is spontaneous, impulsive, and enthusiastic. It represents the spark of life and the drive to express oneself.
The Sun's drive for willpower is colored by Fire's nature. You may find that you express your ego in a way that is initiative and inspiration.
Combining Sun with Fire creates a powerful potential for Passion in the area of purpose.