100 % Achievement Walkthrough
You get Gold after Destroying Enemies, Barelles or Opening Chest or find secret Rooms. Also you can farm enemies in Dungeons if you need more Gold after defeating Boss.
We need 10K Gold in Total after you get 10K go to a save Statue and save your game.
Now Press Xbox Guide and select Vzerthos game press Start and close it.Wait a bit and press A again to start the Game up. Now simply wait in the Main Menu till the Achievements unlocks.
Thanks to True Marvellous for his Solution