1. Zodiac Spear (Ashe):
Defeat the Mark "Pharos Ridorana" in the Pharos at Ridorana.
2. Zodiac Spear (Balthier):
Defeat the Mark "Shemhazai" in the Great Crystal.
3. Zodiac Spear (Gabranth):
Defeat the Mark "Ultima" in the Henne Mines.
To unlock these hunts, you must reach a certain point in the main storyline and progress certain side quests. Here's a brief summary of the steps involved for each spear:
1. Zodiac Spear (Ashe):
- Advance the main story until you unlock access to the Pharos at Ridorana.
- Accept the quest "Trial of the High Seraph" from Montblanc in Rabanastre.
- Defeat the "Pharos Ridorana" Mark while completing the trial to get the Zodiac Spear (Ashe).
2. Zodiac Spear (Balthier):
- Advance the main story until you reach the point where you can enter the Great Crystal.
- Accept the quest "Trial of the Mystic Wyrm" from Montblanc in Rabanastre.
- Defeat the "Shemhazai" Mark while completing the trial to get the Zodiac Spear (Balthier).
3. Zodiac Spear (Gabranth):
- Advance the main story until you can access the Henne Mines.
- Accept the quest "Trial of the Fiend" from Montblanc in Rabanastre.
- Defeat the "Ultima" Mark while completing the trial to get the Zodiac Spear (Gabranth).