Gem of Stillness
From Drunkapedia
Level 7 dispell gems. Will remove all level 7 or lower debuffs on a character upon use.
Stack Size: 25
Obtained by:
Olthoi Pincers: Mutilator and Warrior (2 gems from each)
Olthoi Chasm quest (15 Total, each section gives one more gem than the previous section so the first section gives one the second section gives two etc.)
Turning in Large Mnemosynes to the Undead Hunters in Arwic. (2 gems per unlocked Mnemosyne or 1 gem gem per Locked Mnemosyne)