Hidden far beyond the common man’s reach lay ancient portals leading to some of Aelion’s abandoned regions, the Hostile Territories. Ether has flooded these lands. Like uncontrolled volcanoes, ether trees become active in all parts of the valley. The great value of this resource attracts both alien monsters and immortals who pursue wealth. Hostile Territories are an activity designed for a group of up to 5 players: attempting to complete them alone would be a grave mistake.
Enter the Hostile Territories: Ontes Valley by accessing the Aelion world map and navigate to the "Battles Tab" there you will find the adventure card for it.