<P> The next morning, Danny McBride, also in the house and unaware of the crisis, wastes much of their food and water . The others tell him of the previous night's events, which he initially does not believe until a man (Brian Huskey) outside is decapitated as they watch . Tensions rise due to various conflicts, including Jay and Seth's growing estrangement, and the others' scepticism of Jay's belief that the disaster might be the Apocalypse predicted in the Book of Revelation . Later, Emma Watson, another survivor of the party, returns . However, due to a misunderstanding, she believes the group is planning to rape her and leaves, taking the group's remaining drinks with her . Craig is chosen to travel outside to the basement for water, but finds the door is locked and returns after an encounter with an unknown being . </P> <P> The experience causes Craig to believe Jay's theory that the Apocalypse has arrived . Jay and Seth reach the basement by digging through the floor and find the water, but Danny ends up wasting most of it out of spite, prompting him to be kicked out of the house . Before he leaves, Danny reveals that Jay was in town two months prior but stayed at a hotel, instead of at Seth's house, because of their strained friendship . Jonah makes a remark that annoys Jay, causing him to punch him and giving him a nasty nosebleed . Later that night, Jonah prays for Jay to die, but is possessed by a demon shortly after . The next day, Jay and Craig go to a neighboring home for supplies, and escape a demonic bull . Meanwhile, Seth and James are attacked by the possessed Jonah, but Jay and Craig arrive in time to knock him out . The group subdues Jonah and tie him up, but during an exorcism attempt, Jay and Seth get into a fight and knock a candle over . A fire starts, engulfing Jonah and the house in flames and forcing the others outside . </P> <P> James suggests taking his car to his home in Malibu, but finds the car guarded by a demon . Craig volunteers to sacrifice himself . The plan succeeds and Craig is raptured into Heaven, which means that the others can be saved if they do a selfless act . They are then captured by cannibals led by Danny and his Gimp Channing Tatum . James volunteers to sacrifice himself to save the others, but taunts Danny and flips him off as he ascends to Heaven, causing his beam to vanish . Danny then warns James that he was being petty for not going to Heaven and joins in the cannibals to eat him alive while Seth and Jay run away from them . They then encounter a gigantic satanic being . Jay apologises to Seth for his actions as the being attempts to eat them . A beam strikes Jay, and he begins to ascend while Seth does not . Jay grabs Seth's hand, but his presence prevents him from ascending into Heaven . As a result, another beam strikes Seth and slices off the being's crotch and he and Jay both finally ascend to Heaven where they meet Craig, who tells them that it is a place where any desire comes true . Jay wishes for the Backstreet Boys and the band performs "Everybody (Backstreet's Back)" as everyone dances . </P> <P> Most of the film's cast portray fictional, exaggerated versions of themselves: </P>

This is the end who goes to heaven