The Weaver's Chambers
This large spider burrow is covered entirely in webbing and branches into a maze of small rooms. At the end is a door to an open sub-area where the Weaver spawns. When you move far enough into the room, the boss drops from the ceiling with several spiders. Once defeated, the Weaver drops the quest item Maligaro's SpikeMaligaro's SpikeMaligaro loved his tools, and took great pains to keep them excruciatingly sharp..
Secluded Copse has a chance to spawn.