Board Thread:Suggestions forum/@comment-108.63.183.43-20150530170035/@comment-26440623-20150530214726

The Witch kings armour is already there: Morgul steel armour

try these  -

Ranger - Crown of Arnor

Blue Dwarf and Iron Hills - Integrated helmet and crown combination

Troll - leather cap

Utumno- Fiery crown (looks like morgul steel helmet, but black and vermillion, and has fire particles)