
Unstable Spider Fera mount · 5 souls
Unstable Spider is a Fera mount in AION 2. You need 5 souls to unlock it, and Flame Rock Spider drops them at 100% per kill. 5 monsters drop its souls in total.
- Creature type
- Fera
- Souls needed
- 5
- Best soul farm
- Flame Rock Spider · 100%
- Run speed
- 900
- Sprint speed
- 1,200
- Glide (boost)
- 800

Where to find Unstable Spider
5 monsters drop Unstable Spider. The best farm is Flame Rock Spider (100%) in Purifying Forest, Altgard.
You can also get it from boxes and other sources.
- Lv. 30Forest of Exiles · Verteron · 44 spawnsNearest Kibelisk: Forest of Exiles · 53 m
Crimson Spider100%Lv. 48Crimson Isle · Verteron · 33 spawnsNearest Kibelisk: Crimson Isle Outpost · 246 m- Lv. 46Archipelago of Siel's Wings - Grave of Steel · Chaotic Lower Reshanta · 22 spawns
Pet Soul Chest: Fera (Bound)1.54% per openingThe box comes from Battle pass
Pet Chest: Fera (Bound)1.54% per openingThe box comes from Achievements
Where to farm Unstable Spider souls
Every monster that can drop a Unstable Spider soul, best chance first. Kills for 90% is how many kills give a 90% chance of at least one soul.
Unlocked by:
Soul: Unstable Spider (Bound)
Soul drops (5 monsters)
| Monsters | Level | Chance | Kills for 90% |
|---|---|---|---|
| Lv. 27 | 100% | 1 | |
| Lv. 30 | 100% | 1 | |
| Lv. 46 | 100% | 1 | |
| Lv. 47 | 100% | 1 | |
| Lv. 48 | 100% | 1 |
Found in: Forest of Exiles, Crimson Isle, Purifying Forest, Spirit Isle, and Archipelago of Siel's Wings
Inside: Pet Soul Chest: Fera (Bound) (1.54%)
Track Unstable Spider and the rest of your collection
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- 3D models and where to farm each soul

How many kills to collect Unstable Spider
CalculatedUnstable Spider needs 5 souls. Expected kills for each monster that drops them, fastest first.
| Name | Level | Chance | Souls per kill | Expected kills |
|---|---|---|---|---|
| Lv. 27 | 100% | 1 | 5 | |
| Lv. 30 | 100% | 1 | 5 | |
| Lv. 46 | 100% | 1 | 5 | |
| Lv. 47 | 100% | 1 | 5 | |
| Lv. 48 | 100% | 1 | 5 |
Souls per kill is the drop chance times the average stack. Expected kills is 5 divided by that, rounded up; real runs vary.
Soul planner
Expected kills from each spot's drop chance and stack size. Luck varies: a long dry streak is normal.
How to get Unstable Spider
Items that unlock Unstable Spider and where they come from.
Unlocked by:
Pet: Unstable Spider
Inside: Pet Chest: Fera (Bound) (1.54%)
Other sources: Random shop
Unstable Spider: used by top players
Share of tracked top players of each class (level 45, highest combat power) who use Unstable Spider.
Chanter21 of 2,083avg. Lv. 2.71%
Assassin33 of 3,324avg. Lv. 2.81%
Gladiator34 of 4,245avg. Lv. 30.8%
Templar28 of 3,952avg. Lv. 2.90.7%
Cleric13 of 1,962avg. Lv. 30.7%
Sorcerer9 of 1,564avg. Lv. 2.70.6%
Spiritmaster18 of 4,017avg. Lv. 30.4%
Ranger17 of 4,530avg. Lv. 2.90.4%
Pick rates, not a strength rating. Recomputed every 6 hours from the characters MetaBot tracks.
Fera creature bonuses
All Fera mounts share one type bonus that grows with the type level: Mount Ground Move Speed +1 at level 1, up to Mount Ground Move Speed +3, Accuracy Bonus +2, Dexterity +1 at level 3.
Fera mounts open 9 option slots (at type levels 1–9); each roll costs 4 soul crystals and 1,000 Kina. Options can roll Fera Defense, Fera Critical Hit Resist, Fera Evasion, Fera Block, HP, MP, Fera Attack, Fera Accuracy, Fera Critical Hit, and Front Attack and 40 more.
Full Fera bonus and option slot table on the mounts list →
Fera mounts level up to 10 (250,000 EXP in total), and higher levels raise the odds of better option grades: at level 10, Heroic options roll 5% of the time. Level and odds tables for every mount type →
Other Fera mounts
64 other Fera mounts count toward the same type level.
Mount collection rewards
Owning more mounts pays out 51 milestone rewards, from 5 up to 500 mounts collected, and Unstable Spider counts toward every one of them.
Every released mount shares the same movement speeds: run 900, sprint 1,200, boosted glide 800.
Data read from the AION 2 global client (build 0.0.4387.0). Updated for the Nov 4, 2026 patch. How we read the game files
Unstable Spider is a Fera mount that needs 5 souls. 5 monsters drop its souls; Flame Rock Spider (level 27) has the best chance at 100% per kill, so expect about 1 kills for a 90% chance of one soul. Its run speed is 900 and its sprint speed 1,200. It is one of 211 mounts in the collection.
See Also
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Unstable Spider FAQ
How do I get the Unstable Spider mount in AION 2?
Collect 5 Unstable Spider souls. The best farm is Flame Rock Spider (level 27) at 100% per kill — about 1 kills for a 90% chance of a soul. 5 monsters drop them in total; the table on this page lists them all.
How many souls does Unstable Spider need?
Unstable Spider needs 5 souls to unlock.
Where is the best place to farm Unstable Spider souls?
Flame Rock Spider has the highest soul chance at 100% per kill. At that rate you need about 1 kills for a 90% chance of at least one soul.
How many kills does it take to get Unstable Spider?
On average about 5 kills of Flame Rock Spider, the best soul source, collect all 5 souls. The next best is Aullaeu Forest Odyle Spider at about 5 kills.
What does the Fera creature type give?
Fera creatures share a type bonus that grows with the type's level; at the top listed level it is Mount Ground Move Speed +3, Accuracy Bonus +2, Dexterity +1.
Which classes use Unstable Spider the most?
Chanter players use Unstable Spider the most: 1% of tracked top Chanter players (21 of 2,083). Next is Assassin at 1%.
How fast is Unstable Spider?
Unstable Spider has a run speed of 900, a sprint speed of 1,200 and a boosted glide speed of 800 (game units).
Can I mark Unstable Spider as collected?
Yes. Use the Collected toggle at the top of this page. It counts towards your progress on the collection hub, is saved in this browser and syncs to your MetaBot account when you sign in.
