Creature · ICARUS 3.0.26 · Week 248

Sulfuric Spider

Sulfuric Spiders are large arachnids native to geothermal regions, commonly found near sulfur vents and unstable ground. Their thick, heat-resistant exoskeleton protects them from corrosive gases, while elongated legs allow them to navigate fissures and uneven terrain with ease. Highly aggressive, they will defend their territory on sight, using venomous bites and rapid strikes to overwhelm intruders.

Biome
Geothermal
Maps
Elysium
Tameable
No
Rideable
No

How it fights

Weaknesses
Weak to Fire
Critical areas
Critical Area: Head
Deals
Slowing AttackPoison Attack
Strength
Resists Poison

Field guide

These spiders evolved in environments saturated with sulfur and extreme heat, where only highly specialized life could persist. Long-term exposure to geothermal gases altered the composition of their venom, making it highly corrosive and fast-acting. Unlike many Icarus creatures, Sulfuric Spiders show little evidence of exotic-driven mutation, suggesting adaptation rather than interference is responsible for their resilience.

"Cool, get a spider and make it bigger, angrier and faster. How lovely, I'm sure everyone will love these... Perhaps next time we could try something a little nicer, like butterflies?"

Where it spawns

Spawn weight is relative within a zone, not a percentage. Level bands are the zone's, not this creature's.

ZoneMedian levelMax levelWeight
ELY Geothermal30401
ELY Geothermal Center30403
ELY Geothermal Channels30402
Game version
3.0.26
Changelist
156677
Weekly build
Week 248
Verified
2026-09-06
Source
data.pak

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