Updated.
Yep, fairly powerful stuff. Perhaps the CR should reflect that?
Suggested sample weapon for attack lines?
Skills: 10 at 14 ranks
Bluff 14, Concentration 14, Disguise 14, Intimidate 14, Knowledge (history) 14, Knowledge (local) 14, Knowledge (nobility and royalty) 14, Listen 14, Sense Motive 14, Spot 14?
Feats: Hover, Improved Multiattack, Multiattack, Power Attack?
Challenge Rating: 12 (same as the higher-HD Merendil due to his deadly abilities?)
Treasure Type: Z
1-3 1,000s of copper pieces: 20%
1-4 1,000s of silver pieces: 25%
1-4 1,000s of electrum pieces: 25%
1-4 1,000s of gold pieces: 30%
1-6 100s of platinum pieces: 30%
10-60 gems: 55%
5-30 jewelry: 50%
Maps or Magic Items: Any 3 magic: 50%
That looks like standard to me.
Melineth is 6 feet tall and weighs 250 pounds?