The game is inspired by ancient hero theme and has 5 reels and 20 paylines. To be honest, after my first session with this game, I was extremely frustrated and told myself to never play it again. I had a 60eur balance and was playing it with minimum bets of 0.20 cents. Not once I managed to get a bonus round or any decent win, my balance was gone in less than half an hour and my biggest win was 40x bet on base game. I did see a few other players getting good wins on it on bonus round so I told myself to try it a few more times until I get to experience the bonus myself.
To be fair, the bonus is a big hit or a miss and it's definitely quite volatile so therefore you can either end up with a 10x bet win or a decent win. When you get 3 bonus symbols, you get to pick your hero that will have to fight the other characters. If you lose, the spin will be with the winning character feature. My favorite from them it the Thor feature that changes all the other main symbols into Thor and that's why I had a win of over 100x bet. You get 3 lives so if you're unlucky you can get as little as 3 free spins but if you win a fight, you get save your life and get to spin more. It's also possible to get a replay spin where you get the same feature you had before. Any of these can also appear on base game randomly so in my experience it's pretty much the only time you can get a big win on base game.
Overall this is a game I try to stay away from. In several of my sessions I had to play hundreds of spins to get one mediocre free spins bonus and only a few times I had a win over 100x bet. In retrospect, I've lost on this game more than won and big wins on base game are hard to get. I do love the design and it's worth trying but I recommend to be keep a careful eye on your balance as it seems to be quite volatile slot.