Skill book
Sewage Supremacy 1st Edition
Teaches Sewage Supremacy Rank 1. You are the hazard. Gain 5,000 HP, 14,000 Armor and heals you for 220-380 every 5 seconds for 20 minutes.
Where to get Sewage Supremacy 1st Edition
A known drop source is Toxic Slime in Infested Undercity. Required level: 90. Required progression: Rebirth. Attribute requirements: STA 800.
See all sources and requirements below.
Useful links: Toxic Slime · Infested Undercity
Guides: Finding items, mobs, and NPCs
Requirements
Character requirements for this item.
Market reference
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Latest sitewide market review: .
View the august 26, 2026 data release →How to get this item
Known ways to obtain this item.
Specific mob drops
Solo chances after combining this item's independent mob, global, and zone rolls. Locations with matching chances are grouped.
Read the drop rates and group loot guide for party division and repeated-roll behavior.
| Mob | Zone | Solo chance | Max qty | Locations |
|---|---|---|---|---|
| Toxic Slime | Infested Undercity | 0.3% Plan attempts | 1 | 12 map locations |
| Toxic Sludge | Infested Undercity | 0.5% Plan attempts | 1 | 8 map locations |
In a group, each player's drop chance is divided by the number of eligible looters. Repeated item rolls remain independent.
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