You can use the rewards to summon cards (for the rewards that grant you Draw Power) or heroes (from the Hero Summon Tickets), but you can also use the Diamonds in the hero gacha. All of them will come ...

They're not super easy to get (it's a gacha after all), so it might take some time to get a team full of all the units you want. And with that being out of the way, let's jump straight into the ...