Enduum is an Ayleid ruin that appears in Glenumbra, High Rock. It is located west of Eagle's Brook and northwest of the Eagle's Brook Wayshrine. It is a combination of Ayleid ruins and connecting caves overrun by undead and Dominion fighters. Clearing the ruin grants the player the the explorer achievement "Enduum Explorer."
- Enduum Explorer – Kill Odilon.
- Glenumbra Cave Delver - One of six delves required to be explored.
- Glenumbra Master Explorer – Once you discover and clear all six caves and striking locales