
the next day, during a second visit to the dragon's lair
Bilbo's Conversation with Smaug
Bilbo returns to the lair, wearing the ring. Smaug, pretending to sleep, engages him in riddling talk. Bilbo flatters the dragon and discovers a bare patch on Smaug's left breast. He escapes, but Smaug deduces the involvement of Lake-town. This conversation reveals the dragon's weakness and sets the stage for his downfall.