Unstable Spider
Unstable Spider is a Fera pet. It is summoned with 5 of its souls; as it levels it adds the Fera family stats, Mount Ground Move Speed +3, Accuracy Bonus +2, Dexterity +1 at level 3. From summon to level 3 it takes 105 souls; Flame Rock Spider drops one on every kill, about 105 kills in all.
- Run speed
- 900
- Sprint speed
- 1,200
- Soul crystal
- Soul Crystal Feral
- Pet ID
- 1117
Fera family stats by pet level
Souls to level up: 1→2: 25, 2→3: 75 (VehicleLevel).
- Mount Ground Move Speed+1
- Mount Ground Move Speed+2
- Accuracy Bonus+1
- Mount Ground Move Speed+3
- Accuracy Bonus+2
- Dexterity+1
Souls for Unstable Spider
Souls to summon (the pet's NeedSoul) and to level it (VehicleLevel). Kills = souls ÷ souls per kill, where souls per kill = successful rolls × the average stack from the monster's reward tables — a mean, our calculation.
| Summon | +5 | 5 |
| Level 2 | +25 | 30 |
| Level 3 | +75 | 105 |
| Monster | Level | Chance / kill | Kills to summon | Kills to level 3 |
|---|---|---|---|---|
 Flame Rock Spider | 27 | 100% | 5 | 105 |
| Aullaeu Forest Odyle Spider | 30 | 100% | 5 | 105 |
| Abyss Red Mutated Insectoid | 46 | 100% | 5 | 105 |
| Unstable Poison Blood Spider | 47 | 100% | 5 | 105 |
| Crimson Spider | 48 | 100% | 5 | 105 |
How to get Unstable Spider
From each item's acquisition routes in the game (ItemGetRoute), the monsters whose reward tables drop it, and the quest and achievement reward tables. Open an item for the full tables.
- Dropped by
- Flame Rock Spider(100%),Aullaeu Forest Odyle Spider(100%),Abyss Red Mutated Insectoid(100%),Unstable Poison Blood Spider(100%) +1 more
- In chests
Pet Soul Chestt: Fera (Bound)(1.54%)
- In chests
Mysterious Pet Chest (Bound)(3.93%),
Pet Chest: Fera (Bound)(1.54%),
Growth Pet Chest (Bound)(0.5%)- Sold by
- Black Cloud Merchants(rotating stock)
Other Fera pets
Internal name Spider_01_V01 · data: client 2.0.6.0 (Steam build 25767555, 2026-10-07) · family slot odds