So in total for all 4 added resets: 1 highest bloom dragon each colour, 4 100 level manyus of each colour, 8 ampies of each type, 12k mid-grade equipment seeds, 3k6 gacha seeds, 12 medium gifts, 12 small gifts, 32 3* girls, 20 life crystals.

Its better to max 7th reset to get bloom dragons and ampies before one skips to new resets (cause its cheaper in trophies that way). But also its better to skip earlier resets as fast as possible to have more trophies for those ampies/100 manyus. Of course it doesn't matter for those who will burn FGs to fully clear each stage.