After Xu Tiancheng passed the Fire God's trial and absorbed all the flames in the Fire God Secret Realm that served as the test, his martial soul, the Sun, evolved into the White Dwarf Martial Soul.
A white dwarf possessed the traits of low luminosity, high density, and high temperature, making its lethality toward life utterly terrifying.
Of course, in truth, Xu Tiancheng's martial soul was not a real white dwarf.
Just like the Sun Martial Soul inherited by the Sun Moon Royal Family was not a real sun.
The true ability of this type of celestial martial soul was to resonate with celestial bodies in the universe, thereby communicating with them, absorbing their power, accelerating one's own cultivation, strengthening one's own power, and receiving the blessing of a celestial body or Fate Configuration.
They could even directly mobilize the power of celestial bodies in the universe!
For example, a soul master with the Heavenly Star of Solitude Martial Soul possessed the Heavenly Star of Solitude Fate; a soul master with the Purple Emperor Star Martial Soul was born with an Emperor Fate Configuration; a soul master with the Sun Martial Soul could multiply their combat strength during the day; a soul master with the Moon Martial Soul would have their own strength change with the waxing and waning of the moon; and although star- and starlight-type martial souls did not correspond to any specific star, they could call upon Star Power.
After Xu Tiancheng's martial soul transformed into the White Dwarf Martial Soul, although it could still call upon the power of solar bodies in the universe, it was not a perfect match.
Therefore, during Xu Tiancheng's cultivation, he had continuously distinguished the power fluctuations cast toward Douluo Star from across the universe, searching for the light of a