I don't understand why people complain when they didn't spend money to join the event.. I mean sure they may have spent money for the packs, but that's a different thing.
I'm f2p, don't have the Darkflare yet but have 3 copies of each reward. I don't mind. The event lasts for a week. Plenty of time to play.
I would rather something I can pay for. This RNG factor to obtaining cards is 🔥ED. No matter what I do, I can't use certain cards in the game while others can who put less effort in. Its complete 🔥.