I believe that if you were to buy something very valuable in the shop it should still shop but you will not lose it from your inventory
for a certain amount of deaths to make the purchase more meaningful. Or there should be a option when buying a item to pay for a feature tor when you die you will not lose the item it will drop but you will still have it for a certain amount of deaths and you should be able to pay more for this for more no drops on a specific item
for a certain amount of deaths to make the purchase more meaningful. Or there should be a option when buying a item to pay for a feature tor when you die you will not lose the item it will drop but you will still have it for a certain amount of deaths and you should be able to pay more for this for more no drops on a specific item