You will want to make sure to use these as soon as possible, because codes do expire after a period of time.
Appearance The Umbra had black skin.
Skins You can unlock skins for this by purchasing a Little Legend Egg, which costs 490.
Click on it and this will open up the code redemption window.
Due to its large size, it can only be stunned by the for a very short time.
To find more codes, make sure to follow , who is the developer of the game.