Social ID is a unique number that helps identify you among other players.
Note
Even if you have several characters (game profiles) on different servers, your social ID is the same for all of them.
Click the name of your gaming platform to see the instructions on how to find your social ID.
hero-wars.com
Go to the Menu by clicking three lines in the upper-right corner of the game tab. Your social ID is next to the Galahad picture.
Facebook
You can find your social ID in the bottom-left corner of the game tab.