Oh my...
According to a FAQ, the Obelisk locations are:
- Greenwort 1: Near the magic school, right as you exit the capital (12)
- Greenwort 2: On an island near Kitano (6)
- Arlania: On the hill between the tavern and the the magic range (2)
- Marshan Swamp: Between the two witches (

- Verlon Forest 1: Next to the ruined castle of Fandor (5)
- Verlon Forest 2: Above the lake house (7)
- Western Islands 1: Above the orc's fort (13)
- Western Islands 2: On the islands of the three brothers (11)
- Eastern Islands: On Mirabella's island; follow the path N of her (10)
- Upper Haddar: Next to the pyramid (3)
- Ardan's Peaks: W of the necromancer. The land around his house is black (1)
- Great Forest: W of the tree of life (9)
- Gray Wasteland: Below the graveyard, E of the Boatman's house (4)
Does anyone have an idea which one is missing? I am about to check them all, but maybe someone of you has an idea. Thanks!