 The expense of mounting ever more elaborate scenic productions drove the two competing theatre companies into a dangerous spiral of huge expenditure and correspondingly huge losses or profits.A fiasco such as John Dryden's "Albion and Albanius" would leave a company in serious debt, while blockbusters like Thomas Shadwell's "Psyche" or Dryden's "King Arthur" would put it comfortably in the black for a long time.The Glorious Revolution ended the Restoration.