Description:
Crystal representing choice and consciousness. Used for making items of B grade and above and can also be sold at ordinary shops. (Edit description)

Thons can be found on:
Kadios 62* [1-9] (0.37037%), Tulben 52 (1.31579%), Judge of Marsh 51* (1.20482%), Malruk Knight 66 (1%), Doom Knight 65* (0.909091%), Lesser Giant Soldier 62 (0.833333%), Death Wave 62 (0.769231%), Kranrot 59* (0.769231%), Malruk Soldier 63* [1-3] (0.357143%), Crimson Drake 61* (0.714286%), Yintzu 56* (0.625%), Leogul 61 (0.625%), Hamrut 58 [1-3] (0.277778%),

It is unknown at this time how to make Lineage 2 Thons. (or simply not possible)