What are the spawn points for the "I Like My Monsters Rare" quest?

Solution 1:

As far as I know, there are no specific factors that influence rare creature spawning, so the answer is just "anywhere lots of base creatures spawn". Here's a list of creatures' affinities to areas of Aegrus:

• Drifters: Hunter's Grotto, right around the Lodge.
• Spores: Hunter's Grotto, Ardorton Station, Candlerakk's Crag open areas.
• Boroks: Hunter's Grotto west and south-east, use elevator, Ardorton station west.
• Skags: Scylla's Grove mid-south, Ardorton Station center.
• Scaylions: Scylla's Grove north and west tunnels, Ardorton Station north and east, southwest path of Candlerakk's Crag.

Suggested farming areas would then be: Hunter's Grotto for spores, drifters, and boroks, Candlerakk's Crag for scaylions, and Scylla's Grove for skags. If farming for boroks, it may be effective to start at the Lodge, run through Scylla's Grove to Ardorton, reload there and head back.