If Final Fantasy had secondary titles....

[Sephiroth]

Final Fantasy The Prelude
Final Fantasy II Twilight Empire
Final Fantasy III Gift of Noah
Final Fantasy IV Lunar Descension
Final Fantasy IV After Years
Final Fantasy V Nature's Cycle
Final Fantasy V Legend of the Crystals
Final Fantasy VI Meaning of Life
Final Fantasy VII Crisis Core The Nibelheim Incident
Final Fantasy VII Before Crisis
Final Fantasy VII The JENOVA War
Final Fantasy VII Maiden of the Planet
Final Fantasy VII On the Way to a Smile
Final Fantasy VII Lateral Turks The Kids are alright
Final Fantasy VII Advent Children
Final Fantasy VII Dirge of Cerberus
Final Fantasy VIII Seed of Hyne
Final Fantasy IX Memories
Final Fantasy X Dreams come true
Final Fantasy X-2 Soul Echo
Final Fantasy X Will
Final Fantasy XII Age of Stones
Final Fantasy XII Revenant Wings
Final Fantasy XIII Episode Zero Promise
Final Fantasy XIII Cry of the Princess
Final Fantasy XIII Episode I Divine Choice
Final Fantasy XIII-2 Oracle's Tragedy
Final Fantasy XIII Lightning Returns
Final Fantasy XV Broadtrip

EDIT@Lunarian Descent: No. And Enuo was defeated by his own power.