Some spiders, at least, remain in Mirkwood, and they bear a grudge against the Elves.
The Beorning takes a deep breath.
'Ah... forgive me. My wits are returning. Grant me one more calming breath and I will tell my tale as it should be told. There. Now, then.
'When the Elf-king closed off his realm, I was still within it, and therefore unable to return home. By good fortune I was in the company of these poor Elves, with whom I had traded many years and knew well. They kindly offered to lead me to Felegoth, where I might bide my time.
'Thither we were going when, here on the path and without warning, spiders descended all about us! Me, they ignored - but fell upon each and every Elf with a strange and silent fury.
'What I tell you is true. Look into my eyes. Look at the nature of their wounds. Come, we must go to Felegoth and tell the Elves of this!'
Thranduil can be found in Felegoth.
You should talk to Thranduil about the attack on the Elves at the caravan.
You should collect sap from trees in Eryn Lasgalen that the Elves have already tapped for sap collection.
The last place anyone saw spiders was near the caravan that was attacked.
You should use the sap to lay a trap for the spiders.
The last place anyone saw spiders was near the caravan that was attacked.
You should wait and watch the trap to see if any spiders come.
Thranduil can be found in Felegoth.
You should speak with Thranduil about the failed trap.
The sap can be taken from corrupted Huorns throughout Eryn Lasgalen.
You should collect corrupted sap for a second attempt at laying a trap.
A good place for a trap might be closer to Felegoth, near the main road that runs through Eryn Lasgalen.
You should use the corrupted sap to lay a trap for the spiders.
Thranduil can be found in Felegoth.
You should bring the spider leg to Thranduil.