Bestiary entry from Final Fantasy XII.
The Archaeoaevis (アルケオエイビス, Arukeoeibisu?), also known as the Archeoaevis or Archeoavis, is a recurring creature in the Final Fantasy series, first appearing in Final Fantasy V.
Appearances[]
Final Fantasy V[]
The Archeoaevis, also known as the Archeoavis, appears as a boss encountered in the Ronka Ruins. It must be defeated five times in succession as it continuously revives itself, granting itself new abilities as it does so. It is a challenging boss capable of using such abilities such as Blaze, Thunder, and Maelstrom. It is also capable of changing its elemental weakness with Wall Change.
Final Fantasy XII[]
The Archaeoaevis appears as an enemy encountered in the Zertinan Caverns, in the Balamka Fault area. While moderately powerful in the original version, in the Zodiac versions its stats are significantly increased, making it a dangerous opponent. It is the only source of the Emperor Scales needed for the Durandal.
Final Fantasy XIV[]
The Archaeoaevis appears as a member of the aevis family encountered in the Coerthas Central Highlands during the Dragoon quest 
Fatal Seduction. It is larger and has more HP than the average aevis, but otherwise boasts the same abilities.
Dissidia Final Fantasy Opera Omnia[]
The Archeoaevis from Final Fantasy V appears as a boss.
Pictlogica Final Fantasy[]
The Archaeoaevis from Final Fantasy V and XII appear as a boss and enemy respectively.
Final Fantasy Airborne Brigade[]
The Archaeoaevis from Final Fantasy XII appears as an enemy.
Final Fantasy Record Keeper[]
The Archeoaevis from Final Fantasy V appears as a boss.
Final Fantasy Brave Exvius[]
The Archaeoaevis appears as a boss representing the Avian enemy type during the "Twelve Types Takedown" event.
Mobius Final Fantasy[]
The Archaeoaevis appears as a wind-elemental Warrior card, granting the Windsoul ability.
Etymology[]
The creature's name comes from the Greek root archaeo- meaning "ancient" and the Latin word avis meaning "bird".