Make a gamble npc , this npc shall sell for example 3 types of Bags
lets just call the bags ummm bags of luck(copper) b.o.l(silver) b.o.l(gold)
b.o.l copper - for example if the bag costed 1m you buy this bag, you open it
and in these bags
theres a possibility of u getting some items
and these items npc to get ur money for the bag and there a chance of u getin a copper ,maybe even all coppers depending on their luck or even nothing
make the b.o.l Gold have a very low chance of getting a random +9 130 item
so the ppl that cant wear l4 yet can keep buying these bags and gamble their money to get some good shit