A Strange Gem (Quest)

This gives access to an instanced dungeon, a small hideout. This dungeon is targeted at groups level 15-20. There is disagreement on OGaming whether every party member needs the gem, or only one. Note: everyone in my party needed one.
==Steps==
# Examine the gem.
# Go to the very Northern edge of Windstalker Highlands (this is where Fangbreaker Keep and the Ulteran Spires (Ant) are found. Carefully drop down onto a ledge halfway to the ground far below. Location of this ledge is .
# Enter the cave and click on the statue at the back. Insert the gem into the eye.
Every party member must be on the quest for entrance.
==Rewards==
*Access to a small hideout