"The blood shall be a sign for you on the houses where you live; and when I see the blood I will pass over you, and no plague will befall you to destroy you when I strike the land..."
The Lair of Reaver is home to a Rank 39 Hero, Karerg the Reaver who is an Ogre Tyrant. Karerg is alone and is not guarded.
The Lair is located in the small cove at the northern-most tip of the subzone Da Big Sand, to the northwest of the Greenskin Chapter 5 "Nogaz's Boyz", in Barak Varr.
The entrance is a partially submerged cave behind some logs and rocks.
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He drops blue gloves.