Haloween has started... go collect your cookies to foil the imps

[Haru]

Suspicious Sellsword: Ahee hee hee!
Trickster Imp: Oho! You've done well to see through my disguise, mortaling. I was convinced I'd gotten the glamour just right this time!
Trickster Imp: I wonder...might your mind be as sharp as your eyes? Riddle me this, and your day will be a touch sweeter for it! Hee hee!
Trickster Imp: Ahem! Ready or not, here I come!
Trickster Imp: “Show me my path!” pled the beggared man, crying.Quoth the Man at the Gates, “Get rich or die trying!”Of where do I speak?
The trickster imp poses a riddle to Haru Miaru.
“Show me my path!” pled the beggared man, crying.Quoth the Man at the Gates, “Get rich or die trying!”Of where do I speak?
The Coffer & Coffin.
Naldiq & Vymelli's.
Locke & Lynch.
Trickster Imp: An imp, you say? I could've sworn I saw one nearby not a moment ago. Ahee hee hee!
Trickster Imp: ...Is the wrong answer! Boooooo! And that was supposed to be one of the easy ones...
Trickster Imp: You disappoint me, mortaling, but being the generous soul that I am, I will give you a consolation prize. Take these pumpkin cookies here, and never let it be said that we imps are miserly.
Trickster Imp: Ta-ta, mortaling. Be seeing you!
You obtain 5 pumpkin cookies.
The trickster imp drops a basket of treats and vanishes into thin air.


EDIT: The Coffer & Coffin. is the correct answer