Gamania HK host a number of games, the Gash points can change to any game gold coins as long as is under Gamania HK.
first, u need go to Elsword HK official website.
select upload Gash points, after finished uploaded. Go back to main page
select change Gash points to Gold coins.
Below are the step by step SS guide.
part 1 upload Gash points
*website must allow pop up (if browser set block pop up, this last SS won't be show up on ur screen.
*after finished uploaded, press the 'refresh button' in the page you shall see your Gash points updated.