When the wind is low, and the sea if soft,

And the far heat-lightning plays
Which figurative language technique is being used?
a. simile
b. metaphor
c. hyperbole
d. personification
How do you figure?

The figurative language technique being used in this line is a metaphor. This is because it compares the far heat-lightning to something else without using "like" or "as". It is saying that the far heat-lightning plays, suggesting movement and activity in a poetic way.