The New Beggars' Sect

The protagonist, wandering the martial world with a secret of the red dot, has a fateful encounter with a legendary figure and joins the Beggars' Sect.
The master who imparted absolute martial arts to the protagonist meets a mysterious death.
With the death of the master, who was the pillar of the beggars, the Beggars' Sect gradually declines.
In response, the protagonist decides to leave the sect, investigate the master's death, and create a new Beggars' Sect that will not be looked down upon.