Would be awesome to see some relation to strength in the real world, like we were told 100k strength could punch mountains down, 1m vitality could run the world 3 times, something like that would be amazing.
I don't think that the gap from the first and second selling price is low enough for work force, from 20 to 2.6k is quite a bit of a gap, and buying the merchant to get to that level is really expensive
If you're on a boss you can grind the level before the boss. Just click the arena preview image at the top of the screen. You'll need to re-click the Boss arena preview image when you want to fight the boss again.
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 "Blacksmith Lab"){kind=icon}
 "Mutilate-a-Doll 2"){kind=icon}
 "Shonen Idle Z"){kind=icon}
 "Swords and Souls"){kind=icon}
 "Idle Blacksmith 2"){kind=icon}
 "Idle Recruit"){kind=icon}
 "Spell ilde"){kind=icon}
 "Shonen Idle"){kind=icon}
 "AdVenture Capitalist"){kind=icon}
 "Helixteus II"){kind=icon}
 "Theme Hotel"){kind=icon}
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That's really weird since the save is stored in a cloud. Were you logged with your account?