• Actors Jared Padalecki (L) and Jensen Ackles attend the 'Supernatural' Special Video Presentation And Q&A during Comic-Con International 2016 at San Diego Convention Center on July 24, 2016 in San Diego, California.

Actors Jared Padalecki (L) and Jensen Ackles attend the 'Supernatural' Special Video Presentation And Q&A during Comic-Con International 2016 at San Diego Convention Center on July 24, 2016 in San Diego, California. (Photo : Getty Images/Kevin Winter)

The Winchester brothers will face a mysterious threat in "Supernatural" Season 12 episode 6. Latest spoiler news teased the arrival of a powerful demon who is out to kill hunters.

"Supernatural" Season 12 episode 6 will feature a special gathering between hunters that will eventually turn into a blood bath. Titled "Celebrating the Life of Asa Fox," the Winchester brothers will join other colleagues to pay their final respects to a deceased hunter. However, Sam (Jared Padalecki), Dean (Jensen Ackles) and other hunters will find themselves trapped inside a house, according to episode spoilers posted on Spoilers Guide.

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It appears that a mysterious and powerful demon has placed a spell on the house to prevent the Winchester brothers and other hunters from leaving. Despite the group's efforts to try and escape, several hunters will succumb to the demon's evil powers.

With a dangerous game where the only rule entails the death of all the individuals inside the house, the demon will embark on a one-hunter-at-a-time killing spree. It will be up to Sam, Dean and the Winchester boys' mother Mary (Samantha Smith) to defeat the mysterious demon.

Finding a way to beat the demon will serve as the Winchester boys' latest challenge on the CW show. In "Supernatural" Season 12 episode 5, Sam and Dean were faced with Nazi necromancers who were adamant to resurrect their iconic leader Hitler.

An old gold pocket watch served as the vessel for Hitler's soul in the said episode. With a little bit of magic, blood and a willing host, the German leader returned to the land of the living although Dean managed to kill him.

In an interview with TVLine, cast member Padalecki commented on the CW show's unique depiction of Hitler. He stated, "It's fun to see the Supernatural take on what Hitler was really like behind the camera."

"Supernatural" Season 12 airs every Thursday on the CW. Watch the preview for episode 6 below: