S14·E13 Lebanon

Episode recap

Task: Write a 280-380 word episode recap for Supernatural S14E13 (Lebanon).
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, box-office, or plot points.
If a detail is not in the material, omit it.
Write original, neutral, encyclopedic prose in plain text.
No markdown, no asterisks, no headings, no bullet points.
Word count target: 280-380 words.
TMDB Episode Synopsis: Sam and Dean look to occult lore for a solution to their latest problem, but instead of a resolution, they find much more than either of them had anticipated.
Series Sources:
Series title: Supernatural.
Created by: Eric Kripke.
Cast: Jared Padalecki (Sam Winchester), Jensen Ackles (Dean Winchester), Jim Beaver, Misha Collins.
Premise: Brothers Sam and Dean Winchester hunt demons, monsters, and gods. They follow their father's footsteps as hunters.
History: Sam and Dean lost their mother to a mysterious and demonic supernatural force. Their father raised them as soldiers to kill paranormal evil.
Broadcast: First aired Sept 13, 2005. Ran for 15 seasons on The WB and The CW.
The episode synopsis is extremely sparse: "Sam and Dean look to occult lore for a solution to their latest problem, but instead of a resolution, they find much more than either of them had anticipated."
The sources provide general series information but almost no specific plot details for episode 14x13.
Problem: The user wants a 280-380 word recap, but the provided text only gives one sentence of plot for this specific episode.
Constraint Check: "If the synopsis is sparse, stay concise rather than guessing." and "Never invent or guess... plot points."
Conflict: I cannot meet the 280-380 word count requirement without inventing facts, which is strictly forbidden by the prompt instructions ("You write ONLY verifiable facts that are explicitly supported by the provided SYNOPSIS and SOURCES").
I must write what is available.
Available plot for S14E13: Sam and Dean look to occult lore for a solution to their latest problem, but instead of a resolution, they find much more than either of them had anticipated.
Available series context: Supernatural is an American dark fantasy television series created by Eric Kripke. It follows brothers Sam Winchester, played by Jared Padalecki, and Dean Winchester, played by Jensen Ackles. The brothers follow their father'