Flashing Akumi Avatar, obtainable by visiting a lightning Akumi
Flashing Archaic Avatar, obtainable by visiting an Air Archaic
Flashing Aulyn Avatar, obtainable by visiting a water Aulyn
Flashing Behemoth Avatar, obtainable by visiting a water Behemoth
Flashing Broci Avatar, obtainable by visiting an air Broci'
Flashing Capistro Avatar, obtainable by visiting an air Capistro
Flashing Craynik Avatar, obtainable by visiting an earth Craynik"
Flashing Cruz Avatar, obtainable by visiting an earth Cruz
Flashing Diaco Avatar, obtainable by visiting a water Diaco
Flashing Donium Avatar, obtainable by visiting a water Donium
Flashing Emitai Avatar, obtainable by visiting a water Emitai
Flashing Esper Avatar, obtainable by visiting an earth Esper
Flashing Fenrir Avatar, obtainable by visiting an angelic Fenrir
Flashing Fivern Avatar, obtainable by visiting a demonic Fivern
Flashing Gaik Avatar, obtainable by visiting a spiritual Gaik
Flashing Guanaco Avatar, obtainable by visiting an air Guanaco
Flashing Hekarr Avatar, obtainable by visiting a fire Hekarr
Flashing Hiricus Avatar, obtainable by visiting an earth Hiricus
Flashing Illidan Avatar, obtainable by visiting a demonic Illidan
Flashing Imeng Avatar, obtainable by visiting an air Imeng
Flashing Julaxis Avatar, obtainable by visiting an earth Julaxis
Flashing Kalaes Avatar, obtainable by visiting an air Kalaes
Flashing Kinumo Avatar, obtainable by visiting an earth Kinumo
Flashing Kuma Avatar, obtainable by visiting an air Kuma
Flashing Kynn Avatar, obtainable by visiting a demonic Kynn
Flashing Lacerta Avatar, obtainable by visiting an earth Lacerta
Flashing Leopis Avatar, obtainable by visiting a fire Leopis
Flashing Lepus Avatar, obtainable by visiting a water Lepus
Flashing Lios Avatar, obtainable by visiting an air Lios
Flashing Monkmus Avatar, obtainable by visiting a water Monkmus
There are more species that will be added to this gallery later. The captions tell you how to get the avatars. Good luck in your quest to unlock them all!