Thanks for the support and the compliment :) Coming from an amazing artist feels great!
I discovered Duelyst thanks to this piece, looks damn amazing !! Too bad I missed the kickstarter campaign, that is the sort of project I gladly give support to. Pre-ordered it tho, can't wait to give it a try :)
I thought it was the Konami code. :)
If I'm reading the instructions right... it says "down, down-right, right + punch for Hadoken fireball."