From The Wajas Wiki

Unihorn is a type of Mutation. You can get this mutation either through custom creation or by using a Unihorn DNA. This mutation can also be obtained randomly using a Mutation Pear. This mutation originally had an uncustomizable color and would always come out white, or brown on the Forest breed only (to resemble wood), but now can be customized with any Hex Color or Texture.

Mutation Appearance

All examples feature white wajas with FF0000 (pure red) horn. However, this mutation can come in any Hex Color as well as any Texture.

Mutation Markings Available