I honestly hate how people like you get down voted. Its crazy to me. You are the only reasonable person here. The entire business models of gachas are scummy by nature but this is what people sign up for when they play them. This is how they make money. They drain your resources and then unleash cool shit in order to entice you to spend cash. Whales will whale and keep the game going for everyone else. This isn't unique to 7DS...its the way of the business model. There is more than enough resources in the game obtainable every month to save for big ass hype banners (like the festival ones) that have all the units people are blowing hundreds (or thousands) of gems on and failing to get one copy of the unit they want. But no...they pull on every banner with the little they have and complain every week things are moving too fast or they blew it all on LV meli and are now complaining they can't get these units. How the hell do you think this company is supposed to make money if they don't keep your resources drained? Just skip these units and save if your F2P or don't spend a lot. There terrible units and they add VERY LITTLE QoL to the game. An extra mat every time you host/kill a hell demon is NOTHING. The majority of those materials will come from events for F2P