You will obtain Valefor, Ifrit, Ixion, Shiva and Bahamut as you progress through the story. Yojimbo, Anima and the Magus Sisters however are all part of optional side quests that you will need to complete in order to obtain them. Check out the Aeon Side Quest section for more information.
You will receive the Summon Master Trophy after you have obtained all Aeons, including the optional Aeons, listed below.
Dark Aeons: Have you returned to a previous area of the game only to be ambushed by an Aeon? You have encountered a Dark Aeon, a new addition to the remastered PlayStation 3 and PlayStation 4 versions of the game. These very powerful creatures are some of the toughest enemies in the game. Check out the Dark Aeon side quest section for more information or scroll down to the bottom of the page.
Valefor
The first Aeon that Yuna receives from Besaid Temple.
Ifrit
The second Aeon that Yuna receives from Kilika Temple.
Ixion
The third Aeon that Yuna receives from Djose Temple.
Shiva
The fourth Aeon that Yuna receives from Macalania Temple.
Bahamut
The fifth and final non-optional Aeon that Yuna receives after visiting Bevelle Temple.
Yojimbo
An optional Aeon that resides in the Cavern of the Stolen Fayth.
Anima
An optional Aeon that resides within Baaj Temple.
The Magus Sisters
An optional Aeon that resides in Remiem Temple.