Iceshard Blade is a Tome of Knowledge Achievements entry in Bestiary section.
Instructions: Order & Destruction
Interact with 'Shard of Ice' in Troll Country at 37.5k 570 inside the cave 'Shiver Hollow' at 39.8k 3.6k. The 'Shard of Ice' is behind the Yhetee level 19 Champion 'Icemaw', hidden between 2 black/grey big rocks.
- XP: 150