I remember seeing "Hamlet" performed on stage by the Royal Shakespeare Company - it was all but four hours long and I was distinctly nervous that ennui would set in at some stage... it didn't; and it doesn't with this either. At times it is a slow a burn, but the details and characterisations are crucial to the plot and for the most part this pace serves to create and build this depiction of loyalty and vengeance really well. It's based on the true story of a feud that resulted in an attack on the Lord Kira by the Lord Asano in the Palace of the Shogun. In punishment for the outrageous…