Todays battle at the stairs brought following loot (exclusive the ones allready listed above):
-) words of the ethereal
-) chunk of taelosian rock
-) words of crippling force
-) Part of Yaeth's Compendium Pg. 65 (left side)
-) rune of frost
-) rune of impetus
-) rune of druzzil
-) wings of xegony
-) Nilitim's Grimoire Pg. 378
-) Nilitim's Grimoire Pg. 379
-) Nilitim's Grimoire Pg. 449
-) Nilitim's Grimoire Pg. 450
-) Part of Keris' Dissertation Pg. 5 (left side)
-) raw pale nihilite
-) rune of ap'sagor
-) blue diamond
As I had been here to farm nilitim pages 378+ I have to say, camping the stairs these guys had the largest range of ench. research pages with them. The nocs, even there are more of them there, dont drop that much, but at least they are in second place right after them.