arrow nyssa al ghul preview 'Arrow' spoilers: Marc Guggenheim, Andrew Kreisberg, Katrina Law preview Nyssa al Ghul's shocking arrival in Starling City

Oliver Queen and Sara Lance have faced many a villain together on “Arrow,” but when Nyssa al Ghul — daughter of the infamous Ra’s al Ghul — makes her way to Starling City to bring Sara back to the League of Assassins, things will get messy.

Zap2it screened Wednesday (Feb. 5) night’s episode, “Heir to the Demon,” for a Q&A with executive producers Marc Guggenheim and Andrew Kreisberg as well as Nyssa herself, Katrina Law, and we can promise that Ra’s al Ghul’s daughter does not disappoint. She’s intimidating and a ruthless fighter but is also a real person, with shades of gray like any well-written villain.

Here are five spoilers from the episode:

Nyssa’s motivation for bringing Sara back is not what you’d expect: “Nyssa is obviously Ra’s al Ghul’s daughter, and second to him she’s one of the most important figures in the League,” Kreisberg says. “They sent their first round of minions to come for Sara, and that didn’t go so well for them, so now they’re bringing out the big guns. I think the way Nyssa comes into the story is in a far more provocative and surprising way than the last round that came in episode 205.” 

Bonus fact: There’s an easter egg hidden in Season 2 episode 5 that hints at a big reveal in this episode.

The salmon ladder makes an appearance … but it’s not Oliver using it: That’s right: Someone else takes that piece of equipment for a spin. And according to Kreisberg, the actor who plays the character in question actually did the first two rungs on their own before the stunt double had to step in to do the final rungs. Now that’s impressive. 

Nyssa and Oliver’s fight scene is epic (and we mean epic): Just because Nyssa trained in the League her entire life, Oliver’s skills are pretty well-matched with hers, which leads to an incredibly intense fight sequence. 

“When it comes to fighting, I think it’s during the epic battle that they have together that she suddenly realizes that just because he’s only had a couple of years compared to her I think more than a decade’s worth of training that he is still a formidable opponent,” Law says. “So I think the respect-factor for a legitimate fighter standing in front of her goes up.”

Felicity reveals some major info about her history: Felicity will be pushed to reveal some of her long-awaited backstory due to some stressful circumstances. But it’s only the tip of the Felicity-iceberg. 

“When we sit down, our first thought is, ‘What is the Oliver of this episode?’ But success has allowed us to start looking at the other characters and their emotional journey,” Kreisberg says. “There are two massive things that are going to happen towards the end of the season that [you’ll hear Felicity say in this episode] that will be paid off.”

Guggenheim says they plotted out Felicity’s history way back in Season 1, and that’s how they’re able to tease it first in this episode before revealing it all later this season. “You will get payoff to those things [teased] later on this season,” Guggenheim says.

One major relationship takes two steps forward while one takes a massive step back: We can’t reveal which relationship moves forward and which will be destroyed (seriously, destroyed), but we can reveal that both will have major ramifications moving forward. Guggenheim teases the next few episodes will be dealing with both relationships in a big way.

“Arrow” airs Wednesdays at 8 p.m. ET on The CW.

Posted by:Sydney Bucksbaum