2 Chronicles 34:5

5 He burned the bones of the priests on their altars, and so he purged Judah and Jerusalem.

Read 2 Chronicles 34:5 Using Other Translations

And he burnt the bones of the priests upon their altars, and cleansed Judah and Jerusalem.
He also burned the bones of the priests on their altars and cleansed Judah and Jerusalem.
He burned the bones of the pagan priests on their own altars, and so he purified Judah and Jerusalem.