From Dark and Darker Wiki

Monster/Boss Data is currently up to date for: Patch:6.5#Hotfix 55-1

 Common 
 Elite 
 Nightmare 
Spider Mummy
Spider Mummy.png
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Health 40
-
-
Move Speed 250
-
Experience Points
0
Adventure Points
Monster Kill:
0
Spider Mummy
Spider Mummy.png
-
Health 95
-
-
Move Speed 250
-
Experience Points
0
Adventure Points
Monster Kill:
0
Spider Mummy
Spider Mummy.png
-
Health 165
-
-
Move Speed 250
-
Experience Points
0
Adventure Points
Monster Kill:
0

Description

Spider Mummies spawn from a Spider Jars, only 3 spiders can be active per jar. Spider Jars spawn an infinite amount of spiders until they are shattered.

Applies a stacking debuff (5 max) that reduces Movement Speed by -15% per satck for 7s.

Loot Table

Spiders do not drop loot, but the location where they spawn will drop loot. Please check Spider Jars page.