The dragon likes shining gold coins and gemstones, which is well-known in the Saigus world.
However, in fact, this sentence is not accurate.
What the dragon really likes, in fact, should be something shiny and beautiful, with magic, or with strong magic.
In this way, you can sleep comfortably when making the bed.
In the natural state, only precious metals and gems can meet these two conditions, so the impression that the dragons left on the world will eventually become greedy.
Making artificial gemstones with resin is a gadget made by players by mistake in their spare time. Its principle is similar to that of artificial amber