E.N.D is a book of destruction that created by Zeref. We all still don't know what the meaning of Who will awaken the E.N.D. because E.N.D is Natsu. Let's wait for the future to answer that. So when we shortened the name.. E.N.D is ' Etherious Natsu Dragneel '.
The color Amber is a yellowish-orange color. It got its name from the material known as amber. The amber color is halfway between yellow and orange on the color wheel.The first recorded use of amber as a color name in English was in 1500.he amber color is halfway between yellow and orange on the color wheel.
In order to highlight or change the natural colour of the amber, the use of precious metal foil or flakes and colour backdrops made of enamel and paints in jewellery products decorated with Baltic amber (succinite) gemstones is allowed; the painting of the bottom of the stones, however, is not allowed.