Quote (Before)
HP Memory: Increases Max HP by 20 - 1000z (+500z per HP upgrades bought; caps at 10,000z)
Navi Customizer Expansion: Adds 5 NC points per item - 1000z (+500z per NC upgrades bought; caps at 10,000z)
Quote (After)
HP Memory: Increases Max HP by 20 - 1000z (+250z per combined NC + HP upgrades bought; caps at 10,000z)
Navi Customizer Expansion: Adds 5 NC points per item - 1000z (+250z per combined NC + HP upgrades bought; caps at 10,000z)
Through this change, the overall amount of money you have to pay to reach certain amount of number will be drastically reduced up to a certain point. Unfortunately, there will be no refund given to the players that are affected by the change.
The change was already implemented before this announcement, but here you go, official announcement~