Skip to content
The Apse
Final Fantasy XIII

The Apse

Guide your party through the challenging Bahamut Eidolon battle in Final Fantasy XIII's Fifth Ark. Learn strategies and tips to prove Fang's strength and claim victory.

By ···10 min read·Multi-source verified
1 reading this guide  

Guide your party through the challenging Bahamut Eidolon battle in Final Fantasy XIII's Fifth Ark. Learn strategies and tips to prove Fang's strength and claim victory.

Alright, we're heading into Chapter 10, and the next big hurdle is Bahamut, Oerba Yun Fang's Eidolon! This isn't just any boss fight; it's a test of Fang's strength and resilience. You'll be fighting him in the Fifth Ark with Fang, Lightning, and Vanille. Don't worry if you don't get it right the first time – the game actually wants you to restart it. After the restart, you'll be prompted to the main menu, so make sure you've set up your Paradigms as we discussed on the previous page. Trust me, having the right setups ready makes all the difference here.

Walkthrough
  1. 1
    When the battle starts, don't engage immediately. Wait for Fang and Vanille to cast Slow, Imperil, and Deshell on Bahamut. This debuffing is crucial for making the fight manageable.
  2. 2
    Pay attention to Bahamut's attack pattern: he usually swipes twice, then lifts your characters into the air, slams his hands together, and finishes with a ground-based fiery attack. Knowing this helps you anticipate his moves.
  3. 3
    When your party's health dips, switch to your defensive Paradigm setup (you'll know which one it is from our previous chat!). Once everyone's looking good, switch back to your attacking setup.
  4. 4
    Keep up the pressure, and you'll eventually fill the Gestalt gauge. Once it's full, press the Square button to trigger the Eidolon's ultimate attack and win the battle!
  • You'll obtain the Bahamut Eidolith Key Item.
  • Fang's ATB gauge will increase by one segment, bringing her total to 4 (or 5 if you've already unlocked the ATB node in the Crystarium). This is a significant boost for her combat effectiveness!
Tips
  • Setting up your Paradigms correctly before the fight is key. Make sure you have a balanced setup for offense, defense, and healing.
  • Don't underestimate the power of debuffs like Slow, Imperil, and Deshell. They can drastically shorten the fight and reduce the damage you take.
  • Watch Bahamut's animations closely. Learning his tells will help you switch Paradigms at the right moment and avoid taking massive damage.

100% Human-Written. AI Fact-Checked. Community Verified. Learn how AntMag verifies content