Isaiah 14:28 Kabbalah

בִּשְׁנַת־מ֖וֹת הַמֶּ֣לֶךְ אָחָ֑ז הָיָ֖ה הַמַּשָּׂ֥א הַזֶּֽה׃

In the year that king Ahaz died was this burden.

Read kabbalistic (mystical) interpretation of Isaiah 14:28: and classical mystical sources.