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Ethymologically you are right, I wasn’t really aware of the alchemical background of five rounds of destillation when I wrote my comment.
Nonetheless, “quintessential for” is not unheard (or rather unread?) of:
It will take another generation or two until this usage becomes normalized, so thank you for pointing me to a better style.
There are at least two countries buffer between them and Putinland on either side of the Black sea, and Putin’s ambitions are set West first. They are pretty safe for the time being. The coast of the Black Sea has been the natural sphere of interest of whoever ruled Anatolia since the Bronce Age, though.