Originally Posted by
wildvenonat
It isn't 1% of BLM players who use nonstandard rotations. There are dozens of reasonably solid nonstandard rotations available and every BLM player uses at least one of them some of the time. The finicky ones extremely tight on timing are not commonly used; however, any time you have to spend a lot of gameplay moving, or the boss goes untargetable, all solutions that involve continuing to attack the boss will be a nonstandard rotation.
Nonstandard is a catch-all for basically all forms of "black mage, adjust".