[UPDATED] ‘The 100’ Season 4 Finale (Episode 13) Spoilers, Promo Revealed: The Heroes Struggle To Survive As Nuclear Apocalypse Strikes

"The 100" Season 4 finale airs next week. The fourth season of The CW series wraps up with the arrival of nuclear apocalypse. Episode 13 is aptly titled "Praimfaya," the term used for a major catastrophe such as nuclear apocalypse. Read further to find out what happens next.

[Spoiler alert! This article contains spoilers for "The 100" Season 4 finale (Episode 13) "Praimfaya." Do not read further if you are avoiding spoilers.]

The description of the season finale teases the arrival of the apocalypse. According to the press release for "The 100" Season 4 finale (Episode 13), the Praimfaya is here and the heroes must do everything to protect their loved ones and themselves.

In an attempt to survive, Clarke Griffin (Eliza Taylor), Bellamy Blake (Bob Morley), Octavia Blake (Marie Avgeropoulos), Jasper Jordan (Devon Bostick), Monty Green (Christopher Larkin), Raven Reyes (Lindsey Morgan), Finn Collins (Thomas McDonell), John Murphy (Richard Harmon), and Wells Jaha (Eli Goree) race against the time to prevent destruction and save themselves from the radiation. .

"It's a race against the end of the world as Praimfaya arrives forcing our heroes to make impossible decisions to ensure their survival," reads the official synopsis for "The 100" Season 4 finale (episode 13) as on Spoiler TV.

A promo video for "The 100" Season 4 finale (Episode 13) is highly anticipated. It is expected to be released after the broadcast of episode 12 airing on May 17. Stay tuned, it will be made available here.

According to the TV Guide, "The 100" Season 4 finale is expected to tie some loose ends and answer some burning questions related to the Flame, the Second Dawn and the Nightblood.

"There's a pretty powerful artificial intelligence in [the Flame] that might be helpful, and there are Nightbloods among us now," showrunner Jason Rothenberg told the abovementioned publication.

As for Clarke's storyline, it is expected to be very different in "The 100" Season 4 finale.

"She's definitely being forced to rely on her friends more than she has in the past and accept that she can't do it all on her own. I won't say whether there's a level pulled or a button pushed -- there probably is in various ways -- but it's not quite as 'it all comes down to pulling a lever' as it has in the past," Rothenberg said.

"The 100" Season 4 finale (Episode 13) airs May 24 at 9:00 pm ET on The CW. More spoilers and updates are expected soon.

UPDATE

 The 100 Season 4 finale promo is as follows.

CREDIT: YouTube.com/tvpromosdb