וְשִׁבַּר֙ אֶת־הַמַּצֵּב֔וֹת וַיִּכְרֹ֖ת אֶת־הָאֲשֵׁרִ֑ים וַיְמַלֵּ֥א אֶת־מְקוֹמָ֖ם עַצְמ֥וֹת אָדָֽם׃
And he broke in pieces the pillars, and cut down the Asherim, and filled their places with the bones of men.
Read kabbalistic (mystical) interpretation of II Kings 23:14: and classical mystical sources.