"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..."
Metoh is a rank 40 Hero boss. He appears to be a large Yhetee. Metoh is on his own with no guards.
Killed Metoh drops 1-2 level 39 rare (blue) helmet.
The lair is reached by jumping up some ice platforms.
Approximate location: 8900,3900