This is a turn based game. You can upgrade buildings, upgrade your soldiers, upgrade your hero. Currency is gold and gems, you can buy a gem for 400 gold, upgrades are one or two gems. You get gold from missions, a skirmish mode and can watch an advert for gold, gems, potions.
You can teleport reinforcements into the game, you can use potions, magic scrolls, control archers, cavalry, spear men berserkers, various siege equipment, conjure skeletons, mind control enemy units. Thoroughly enjoying the game so far, surprisingly it has all been pve I have not seen any pvp or raiding in this game, surprisingly something different than the normal clash of parc rubbish clogging the App Store.
So far I have not had to spend any money to play and I do not think I will have to. You can buy an elite army of various units for £4.99 for all of them, not individual units, extremely cheap.
Great game, fun, pve, download it and give it a go. Update. Beat the campaign on easy, you get a gem for beating every mission, my hero and half my base fully upgraded just from free gems, now I am doing the campaign on hard. There is a skirmish mode, great for farming gold and scrolls potions, there are chests your hero can capture.
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