Yes, the 'Rising of the Shield Hero' novel is completed. It provided a conclusive resolution to the various story elements and character developments that were introduced throughout the series. Many readers were pleased with how it all came together in the end.
The relationship between Naofumi and his companions also forms great stories. For example, his bond with Raphtalia, who grows from a weak slave to a strong fighter under his guidance. Their story is full of growth, loyalty, and mutual support.
Yes, it is. The story has an interesting premise with a unique take on the isekai genre. The protagonist is a shield hero who has to face various challenges and prejudices in a new world.
Sorry, I don't know off the top of my head. But you could try looking through online discussions or the official website of the novel for the correct chapter.