Tokkul
It's a token of some kind made from obsidian.
How to get it
| Monster | Quantity | Rarity |
|---|---|---|
| TzKal-Zuk | 1 | Always |
| TzHaar-Hur | 1-16 | 1/12 |
| TzHaar-Ket | 1-83 | 1/2 |
| TzHaar-Xil | 1-57 | 1/2 |
Rates are per drop-table roll. A kill rolls the table one to three times, so the real per-kill chance is a little better.