Archaeothyris
Archaeothyris is a Reptile-type fiend that you can encounter on Mushroom Rock Road, at the Moonflow, in Chateau Leblanc and on the Thunder Plains.
Fiend Description
“A fiend that sometimes attacks with Poison Fang and won’t hesitate to use Stone Fang in a pinch. Watch out!”
| Stats | |
|---|---|
| Level | 32 |
| HP | 1,332 |
| MP | 58 |
| EXP | 188 |
| AP | 1 |
| Gil | 110 |
| Gil (stolen) | 420 |
| Strength | 36 |
| Defense | 33 |
| Magic | 17 |
| Magic Defense | 5 |
| Agility | 85 |
| Evasion | 35 |
Where to Find It
- Mushroom Rock Road (Chapters 3 and 5)
- Moonflow (Chapters 3, 4 and 5)
- Chateau Leblanc (Chapters 3 and 5)
- Thunder Plains (Chapters 4 and 5)
- Via Infinito (Cloisters 33 to 35)
Steals, Drops, and Bribes
Butterfingers makes every drop the rare item, and 
Master Thief always steals the rare item.
| Source | Item | Chance |
|---|---|---|
| Drop |  Eye Drops ×2 |
43.9% |
| Remedy |
6.3% | |
| Steal | Eye Drops ×2 |
87.5% |
| Remedy |
12.5% | |
| Bribe |  Star Pendant |
Common |
| Star Pendant ×2 |
Rare |
Elemental Affinities
| Element | Effect |
|---|---|
| Fire | Normal |
| Ice | Weak |
| Water | Normal |
| Lightning | Normal |
| Holy | Normal |
| Gravity | Normal |
Status Vulnerabilities
| Status | Effect |
|---|---|
 Death |
Vulnerable |
 Petrification |
Vulnerable |
 Sleep |
Vulnerable |
 Silence |
Vulnerable |
 Darkness |
Vulnerable |
 Poison |
Immune |
 Confusion |
Vulnerable |
 Berserk |
Vulnerable |
 Curse |
Immune |
 Slow |
Vulnerable |
 Stop |
Vulnerable |
 Doom |
Vulnerable |
| Delay | Vulnerable |
| Eject | Resistant |
| Zantetsu | Resistant |