What materials does the WOW engineering battlefield repair robot need?

Need refined gold ingot (8) magic iron screw (8) krypton gold energy core (1)

Drawing: Feng Daoshan's engineer Ogrella fell (that is, the kind of monster that will explode when he is dying, and it is easy to get out. Draw 1 hour and it will definitely come out.

In fact, in the abyss of black rock, a robot is approaching puppet commander Ageman Qi. You can learn it with a click, and the price of materials is only low.

Only by learning the above two kinds of repair robots can we create a new repair robot for WLK.