I want to know the answer to the following question:
What happened to nobility at expense of the king?
All the background I'm provided with is that "The most important difference was that, while in most European countries the nobility lost power as the ruler strove for absolute monarchy, in Poland the reverse process occurred: the nobility actually gained power at the expense of the king, and the political system evolved into an oligarchy.". Is that enough to answer the question?
Answer: yes