Have you ever suffered from a lack of lucky dust in the late game, since the shop stops stocking it? Or maybe you need some heat, but can't just quench your swords? Or could it even be that wards are too expensive? No matter what it is, I have the EXPLOIT for you.
Quick hands makes upgrades below +15 cost no durability, Reckless makes all upgrades cost no gold but +1 durability. But under +15 it's still 0 durability cost, meaning you can infinitely farm shards and make a profit by buying new swords, then upgrading them until they reach +15 or break. Infinite shards means infinite strikes due to the workshop repair kit. (My in game name is TJTrickster.)
Not sure how to fix this.