In the main city's mansion and Central Plaza, as well as inside buildings, PK is not allowed.

As for other places in the city, you can attack forcibly as long as you're not afraid of being judged.

Although the members of the Heavenly Guild were still in the Central Plaza, the Blade-Raising Slayer of Yama seemed to have logged off.

Jiang Chen walked to the plaza, and the people around him looked at him, but no one made any other moves.