FINAL FANTASY XII THE ZODIAC AGE

There are 13 Espers. These are summoned creatures you will obtain after you defeat them. Credit to rpgsite.net:

1. Belias, the Gigas (Story related)
He is encountered at the bottom of the Tomb of Raithwall. Acquiring Belias is also what enables the ability to assign a second job to each character.

2. Mateus, the Corrupt (Story related)
Mateus is encountered in the Stilshrine of Miriam

3. Shemhazai, the Whisperer (Story related)
Will acquire at the end of Giruvegan and Great Crystal story events.

4. Hashmal, Bringer of Order (Story related)
Hashmal is found near the end of the Pharos at Ridorana dungeon.

5. Famfrit, the Darkening Cloud (Story related)
Famfrit is obtained shortly after Hashmal at the end of the Pharos at Ridorana dungeon.

6. Adrammelech, the Wroth (Optional, Recommended level: 40)
It is located in Zertinan Caverns (Athroza Quicksands). Enter the caverns via the Dalmasca Westersand (Galtea Downs).

7. Zalera, the Death Seraph (Optional, Recommended level: 44)
Zalera can be found in a hidden area of Barheim Passage (Terminus No. 7) after completing the Tomb of Raithwall. In order to get back into the Barheim Passage, you need to obtain the Barheim Key. In order to get Barheim Key, you need to complete
- the Hunt "Dalmasca's Desert Bloom"
- Reopen the Dalmasca Estersand ferry service. Talk to Tchigri in Estersand [South Bank Village]. Ride the ferry and talk to Ruksel in [North Bank Village]. Tale to Dantro's Wife in [South Bank Village]. Go behind the hut and interact with "Dran?". Return to Tchigri.
- Heal the patient: Dantro's Wife in [South Bank Village] needs several items to heal her patient. Semclam Shells (5x) can be found close to the river in [South Bank Village] and [Banks of the Nebra]. Small Phials (2x) can be found in [Outpost]. Valeblossom (3x) can be found in [Broken Sands] (north of the river).
- Once the patient is healed, he will give you Barheim Key. Once that is done, go to [Murmuring Defile] in the Estersand. You can now explore new areas in Barheim Passage

8. Cúchulainn, the Impure (Optional, Recommended level: 47)
After completing Tomb of Raithwall, Cúchulainn is found in a new area of the Garamsythe Waterway [No. 1 Cloaca]. You need to have first completed the Hunts "Waterway Haunting" and "Lost in the Pudding", which will reward you with the Sluice Gate Key. You need to make your way to the south-most room in the waterway. Assuming you have never messed with the gates prior, the order is:
At [Central Waterway Control] there are four switches labeled 4, 11, 10, and 3.
- Turn on No. 3 Waterway Control (that means 3 and 10 are lit)
- Go SW to [No. 3 Cloaca Spur] and flip the switch there
- Back at [Central Waterway Control], turn off 3 and 10 and turn on 11 and 4.
- Go SE to [No. 4 Cloaca Spur] and slip the switch there
- Back at [Central Waterway Control], turn off 11 and turn on 3. You can now make your way to [No. 1 Cloaca]

9. Exodus, the Judge-Sal (Optional, Recommended level: 47)
After the events at Stillshrine of Miriam and Mt. Bur-Omisace, you can speak with Moogle Boss and his crew in Salikawood to fix the gate leading to Phon Coast. Once this is done, return to Mosphoran Highwaste.
Talk to Learned Man. Activate Shrine of the South Wind.
Feed the chocobo in [Rays of Ashen Light] a gysahl green. Head to [Empyrean Way], then [Skyreach Ridge] (need chocobo here). You can now access a new area in [Babbling Vale]
Activate Shrine of the West Wind. Hit the Weathered Rock. Activate Shrine of the Northwest Wind. You can now encounter Exodus at [Empyrean Seat].

10. Zeromus, the Condemner (Optional, Recommended level: 55)
After the events at Stillshrine of Miriam and Mt. Bur-Omisace, talk to Nu Mou Acolyte at [Temple Grounds] in Mt. Bur-Omisace. You will obtain Stone of the Condemner. Back at the Stillshrine on Miriam, you can use this stone on the first waystone you see to access a new area with Zeromus.

11. Chaos, Walker of the Wheel (Optional, Recommended level: 57)
It is located in Necrohol of Nabudis, available after visiting Archades. This Esper requires quite a few things to access. Firstly, you need to have completed the Hunts "Waterway Haunting", "Lost in the Pudding", and "Crime and Punishment".
You need several key items.
- Blackened Fragment - Obtained from Hunt "Crime and Punishment"
- Grimy Fragment - Talk to Roh'kenmou at Dalan's place. Talk to Filo in [South Sprawl]. Talk to Curious Woman in [Southern Plaza]. Talk to Merchants in [Muthru Bazaar] until you get a hint. Talk to Sotted Imperial at Yugri's shop. Talk to Kytes in [North Sprawl]. Talk to Filo again, Talk to Sotted Imperisal again.
- Dull Fragment - Talk to Roh'kenmou at Dalan's place. Enter the residence in [North Sprawl]. Read Dusty Letter. Talk to Deeg again. Go to [Central Waterway Control] in Garamsythe Waterway. Turn off all the gate lights. Close 11, close 4, open 11, close 3, open 4. You can now find an item to pick up around the perimeter.
- Moonsilver Medallion - Talk to Ma'kleou in Nabreus Deadlands [The Muted Scarp]. Talk to Roh'kenmu at Charlotte's in Archades. Talk to Otto in [Alley of Muted Sighs] in Old Archades. Return to Roh'kenmu.
- Once that's done. Go back to [The Muted Scarp] and speak to the three Nu Mou. Go to [The Slumbermead] in Nabreus Deadlands and access the hidden path in the NW to [The Fog Mutters]. Go to the end of this hidden area to get Medallion of Bravery, Medallion of Love and the Lusterless Medallion.
Finally, go to the Necrohol of Nabudis (can be accessed from Salikawood). Each medal opens up a door in the Necrohol which holds a boss encounter. Defeat each boss in each room then visit door belong to Chaos.

12. Ultima, the High Seraph (Optional, Recommended level: 60+)
After the story events at Giruvegan and getting the Treaty Blade, you can access further areas inside the great crystal. Ultima is encountered near the very end. Describing how to get there in text is will be too long for this guide, so maybe check out this link: https://www.eurogamer.net/articles/2019-04-30-final-fantasy-...

13. Zodiark, Keeper of Precepts (Optional, Recommended level: 65+)
After Giruvegan/Great Crystal events. Have collected ten other Espers and finish the Hunt "The Mine Flayer". Talk to Geomancer Yugelu in Jahara [Lull of the Land]. Warp to Henne Mines and you can now access a new area east of [Ore Separation]. Make your way to the end of this high level area and you can encounter Zodiark, the most difficult of the Espers.

for the details on battle strategies, you can check Eurogamer website: https://www.eurogamer.net/articles/2019-04-30-final-fantasy-...