Roman finished dealing with the hospital and alcohol matters and then started working on enhancing the Attributes of the Angel Envoys.
The more barren the vein, the less the yield of Sealed Crystal Balls.
The fewer the crystal balls, the fewer the Magic Stones.
Generally speaking, using Magic Stones to enchant steel is considered a huge waste, only low-level Nobles would indulge in such technically unimpressive acts.
Because it's better to use them on other metals.
...
The heavy and hard Attributes of mountain copper:
The lightness of Mithril like feathers, its elasticity like rubber bands, yet indestructible:
Fine Gold, considered the highest level equipment, its performance is also extremely strong.
...
It's easy to process these three extraordinary materials, but forging them is very difficult.
Take for example, it is easy for Roman to obtain steel.
But the finished products of steel could number in the dozens, even hundreds.