Where to get Rotten Sponge
A known drop source is Sewer Rat in Infested Undercity.
See all sources and requirements below.
Useful links: Sewer Rat · Infested Undercity
Guides: Finding items, mobs, and NPCs
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 |
|---|---|---|---|---|
| Sewer Rat | Infested Undercity | 25% Plan attempts | 1 | 21 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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