The game doesn't offer enough ways to earn gems or enough currency from packs for new banners to earn the characters in said banners for a reasonable amount of money. Not asking to be given fully capped out characters. The game simply requires too much money to summon new characters. I should hopefully earn enough from the subscriptions and the lowest value packs to get any new characters and get them to a reasonable level in terms of upgrading. The gameplay is also incredibly grindy. VE Tower is a drag to go through.