וַיְצַ֨ו מֶֽלֶךְ־אַשּׁ֜וּר לֵאמֹ֗ר הֹלִ֤יכוּ שָׁ֙מָּה֙ אֶחָ֤ד מֵהַכֹּֽהֲנִים֙ אֲשֶׁ֣ר הִגְלִיתֶ֣ם מִשָּׁ֔ם וְיֵלְכ֖וּ וְיֵ֣שְׁבוּ שָׁ֑ם וְיֹרֵ֕ם אֶת־מִשְׁפַּ֖ט אֱלֹהֵ֥י הָאָֽרֶץ׃
Then the king of Assyria commanded, saying: ‘Carry thither one of the priests whom ye brought from thence; and let them go and dwell there, and let him teach them the manner of the God of the land.’
Read kabbalistic (mystical) interpretation of II Kings 17:27: and classical mystical sources.