Shadow Pearls for Necklace of the Deep

[kektard]

So i have been killing Nagas a lot lately currently sitting on 25 Jaggal Pearls and 0 Shadow Pearls
is there any other way or a better way to go about getting this F-ing pearl?

 

[Chops]

Nope. It's just a grind. Pretty rare drop, if memory serves.

 

[Malgibbon]

Average about 1 per 100 clam i think