On the plus side, they're "refunding" up to 20k in rubies, and pulls from those rubies have much higher red and purple pulls than regular rubies.
Hop on it while you can, because they expire early next month.
Managed to get four FES pulls and some great cards out of it.
Additionally, for a limited time you can get Orochi (who is top tier), and also Mukai, Goenitz, or Omega Rugal for free, along with missions to level them to 90.
No doubt they'll adjust the system to still force people to do P2W in order to properly progress, as per all slutty freemium mobile games.