Alternately, you could probably just get wefts in the colors you need and sew/glue them into a base wig.
Fayt Leingod - Star Ocean:Till the End of Time - 90% finished
Morrigan (Winter Palace) - Dragon Age: Inquisition - 15% finished
Fidel Camuze - Star Ocean: Integrity and Faithlessness - 20% finished
Anime Expo 2016