Elder Pilgrim
Description
Thick-set bug consumed by haunted thread. Uses their solid frame to crush others.
Hunter's Journal
You can find a complete list of all journal entries, in their in-game order and with map links, in our All Journal Entries guide.
Hunters Notes
A lucky bug to be able to grow old. Pharloom’s roads take most much earlier.
Needle Damage Table
Base
5
Lv2
9
Lv3
13
Lv4
17
Lv5
21
Interactive Map Locations
231187. Pharloom
X: 7715 Y: 13785
An 
Elder Pilgrim will attack you when you reach this small room, in a combat arena with other Pilgrim-type enemies.
Seems to not be available in Act 3
Seems to not be available in Act 3