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.
Amber is a hard golden coloured translucent fossil resin. In the Old Testament this colour is found on one occasion in the book of Ezekiel. The Hebrew word 'chashmal' used three times in Ezekiel means a shining substance or amber. However we need to be clear that the reference is to the colour, not the resin amber. It probably refers to a metal of that colour. The colour amber is only found in the KJV and NKJV translations of Ezekiel and is used in connection with Ezekiel's vision of the glory and majesty of God.