If SE wants to implement RUN into FFXIV, They will find a way to make it work, just like how DRK is a DPS in ffxi that uses Scythes and greatswords, or WHM or GEO using clubs and shield.

Remember, FFXI SCH is able to use black and white magic,a nuker and SCH has storm spells which grant weather and +stat to whomever it is casted on.

While FFXIV sch uses a fairy