>>533658456
>use PNC system
>instead of generic neural kit, dupe now give fragments like in the limited banner
>make the F2P grind painfully slow
>raising *3 to *4 only take 3 months, but *4 to *5 could take a year
>one dupe could shave 3 months of grinding
>lock some skill effects behind character rarity for good measure, F2Pfags will eventually get there anyway, but whales will hit the power spike much faster.