More to explore:
Simplicity Costume Pattern 8192 - Medieval Costumes Misses Size 16, 18, 20. $5.00, via Etsy.
M6376 Misses'/Girls' Renaissance Costumes
Simplicity 1582 Medieval Hooded Cloak Merlin by PeoplePackages, $7.00
Simplicity 4085 Mens Elven Warrior Costume Adult Teen Reenactment like Lord of the Rings Sewing Pattern by mbchills
Simplicity pattern 9887, robe with mid-line seam, make half white, half black.