You enter the cave and you find warm and protection from the storm, however, a huge black dragon notices your presence and it approaches you with a smile.
This is bad... it's a BBD (short for Big Black Dragon) these creatures are intelligent, cruel, and they can spit an acid so strong that melts the steel... You are in big trouble.

The dragon's black scales swallow the light, leaving only the gleam of its luminous eyes and the acid's smoke from its nostrils. The heat radiating from its body and the acid smell make you feel sick.

It lowers its head, close enough that you feel the vibrations of his deep voice inside your chest.

"Stupid little human, you offer yourself to me? Or is this a bad joke? Even an animal can understand the language of death, the bones on the entrance of my cave are not enough?" he says smiling with a mocking tone.

You are frightened, but you must do something.

What do you do?