After reaching a certain lvl (MAYBE 200) all the players should be given daily challenges according to their lvls
CHALLENGES LIKE
kill 200 monsters (monsters should be based on the players lvl)
Reward
Lvl 1 Mystery Chest
which may be sold for certain amt. of money or can also be opened to obtain items ranging till Cost Price 40k in shop.(JUST LIKE ITEM SLOT MACHINE)
Reward
Lvl 2 Mystery Chest
which may be sold for certain amt. of money or can also be opened to obtain items ranging till Cost Price 100k in shop.(JUST LIKE ITEM SLOT MACHINE)
Reward
Lvl 3 Mystery Chest
which may be sold for certain amt. of money or can also be opened to obtain items ranging till Cost Price 500k in shop.(JUST LIKE ITEM SLOT MACHINE)
Reward
Lvl 4 Mystery Chest
which may be sold for certain amt. of money or can also be opened to obtain items ranging till Cost Price 1m in shop.(JUST LIKE ITEM SLOT MACHINE)
Lvl 5 Mystery chest should be available only in events and can be opened to obtain any item in the game
This chest should be very rare and very hard missions are Required to obtain This chest
note: the chest works just like item slot machine.You may also get cheap items through them
This challenges should be refreshed everyday
Plz reply and vote if you support