Sum of the Whole is a Tome of Knowledge Bestiary entry for Gnoblar.

Instructions: Order & Destruction

1. First you need to take the quest:

For Order: 'Gnoblar Huntin' ' from the quest giver 'Rogni Ironsight' (Dwarf) at Altdorf in the Library.
For Destruction: 'Gnoblar Hunt' from the quest giver 'Zigmoot da Curious' (Orc) at The Inevitable City in the Lyceum south wing.

2. Then you have to kill several mobs for some drops:

Kill 'Bloodmaw Gnoblars' until one drops a 'Bloodmaw Gnoblar's Nose' in Badlands at 40k 37k.
Kill 'Gutbash Trappers' until one drops a 'Gnoblar Trapper's Trap Parts' in Cinderfall around 54k 54k.
Kill 'Gutbash Tooth Gnoblars' until one drops a 'Tooth Gnoblar's Tooth' Cinderfall around 54k 54k.
Kill 'Burnmaw Gnoblars' until one drops a 'Burnmaw Gnoblar's Shiny Bits' in Black Crag at 41.7k 10.5k.

3. Return in the city to the quest giver to finish it. It will give you a 'Limited Edition Gnoblar Collectables!' Pocket Item.

4. Equip it for the unlock.

5. Once the unlock triggered, you can claim the jewel buying it from the correct merchant in Library (Order) / Lyceum (Destruction).

Rewards