Why do many people find Sir Gawain and the Green Knight so captivating/interesting?

Sir Gawain and the Green Knight is a hero quest, and hero quests have always remained at the forefront of enjoyment for readers. Historically, any story involving King Arthur and his Knights is a popular read....... they're also frequent characters on the big screen.

Sir Gawain and the Green Knight is witty and captivating; the twists and turns keep you guessing, and the characters themselves are endearing....... even the Green Knight we're so worried about turns out to be somewhat of a prankster.