Well you could see I suggested a slide scale so in the worlds were I am level 10 for example I would get 50 nuggets. A player playing for a long time with 2 worlds were both is level 120 will take over his one character and get a refund of 2500 nuggets for his other character. I am in my listed worlds +- level 70 to 100. Well Da Twista this is not a quick get nugget rich scheme as you think this is simply a more acceptable way to get to say 7 worlds world 1, world 10 - world 15, World Manitoba/Saskatchewan or whatever. Even 7 seems to much for me. Yes you will get one world where most players is overpowered. Since its the same for everyone it cannot really hurt can it. And the loss is minimal as most players will probably buy chests with their nuggets.
Fyi I am playing all worlds just because I checked certain facts. World 9 I started playing to check out the fort madness day when there was 100+ battles. I have spend nuggets on all of my worlds except those I do not list. And I am a respected valued player in many worlds.
Ps its called thinking out of the box
Taking me as example so affected worlds world 6,7,8,9
Jakkals world 6 - level 72 = 2160 nuggets
world 7 -level 92 (this will be the character I continue with)
world 8 - (actually new world in which I planned to torture the whole world block by block) - level 10 = 50 nuggets
world 9 - level 67 = 2010 nuggets
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4220 nuggets for 2 characters lost that i played for more than a year. But still acceptable. I would probably buy some premium chests with this.