How to Strengthen Aeons | Final Fantasy X

This page contains information about Methods on strengthening Aeons in the game Final Fantasy X/X-2 Remastered (FF 10, FF X). Read on to know more about Aeons and how to fully utilize them in the game.

Aeon Stats

Tied to Yuna's Stats

Yuna
Aeons stats are increased based on Yuna's stats. The stat ratio increase for each Aeon are different. It is advised to increase all of Yuna's stats to increase the stats of Aeons further.

Tied to Number of Battles

Yuna Aeon Battles
The Aeon's stats are also tied to the number of battles the party participated in. The value of Aeon's stats will increase every 30 battles and will cap at 600 battles.

Aeon's Soul

Belgemine losing to Yuna
Aeon's Soul is a Key Item obtained from Belgemine. It allows the player to use Spheres to permanently increase an Aeons stats.
Bellow are the following formula for the number of Spheres need for each Aeon's stats.

Attribute Item Required Formula Result
HP Power Sphere √ of current HP / 4 +16 100 HP
MP Mana Sphere √ of current MP / 1.5 +10 10
Strength Power Sphere Current stat/ 2 1
Defense Power Sphere Current stat/ 2 1
Magic Mana Sphere Current stat/ 2 1
Magic Defense Mana Sphere Current stat/ 2 1
Agility Speed Sphere Current stat/ 2 1
Luck Fortune Sphere Current stat/ 2 1
Evasion Speed Sphere Current stat/ 2 1
Accuracy Speed Sphere Current stat/ 2 1

Final Fantasy X Related Links

List of Beginner Tips & Guides
Methods of Transportation How to Gain AP Fast
How to Strengthen Aeons How to Save
Statuses Tips and Guides Elements and Weaknesses
Warrior Overdrive Mode How to Gain AP Beginner Tips and Tricks
How to Swap Characters Beginner Tips and Tricks How to use Sphere Grid Beginner Tips and Tricks
What is the CTB Beginner Tips and Tricks What is Gil?
Battle Mode Beginner Tips and Tricks Overdrive Beginner Tips and Tricks
Basic Controls Beginner Tips and Tricks What is Overkill? Beginner Tips and Tricks
How to Customize Weapon and Armor Beginner Tips and Tricks

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