Maplestory "High Five" Private Showcase

I wonder if it will be more like a ''soft'' curve the stats so you won't get most of the stats in the last lvs, or more like exponential curve :f6:
Maybe there will be quests with highter lvs cores, like a quest giving one lv5?:f6:

Edit: thinking that cores/arcanes symbols remember a bit nebulites, maybe you can get higher lv ones like the B nebs you can get to fuse to get a A one, instead of fusing many D to get C and then B

Also, 20,8k just from one ''eqp'' that doesn't use one slot in your eqp slot, is pretty end game doesn't it?