Soliloquy. Because the definition is quite literally <span>an act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play.</span>
In ancient times, it is said that trolls attracted people into their world, into the mountains or into the underworld and people who disappeared for a while, could come home with memory loss and confusion.
E. an attention-getter at the beginning of the story