How to collect the original electric crystal?

Demonstration mobile phone: Black Shark 3;

Game version:1.0.0;

The first step is to enter the game of the original god. See the figure below:

Step 2: Then, find the amethyst mine in the map. See the figure below:

The third step, finally attack the amethyst mine with fire attribute skills or attacks; See the figure below:

Fourthly, collecting electronic crystals. See the figure below: