Irene Lew (アイリーン・ルゥ?) is the main female character in the original trilogy, serving as Ryu's romantic interest. She is an agent of the CIA's Secret Auxiliary Unit, working under the codename "Sea Swallow". She later appears in a revamped form in Ninja Gaiden II for the Xbox 360 under the alias Sonia (ソニア, Sonia).

In Team Ninja's Ninja Gaiden II, under the codename Sonia, Irene returns as the female lead. While searching for Ryu, she is ambushed by the Black Spider ninja clan and captured, but is subsequently rescued by Ryu.

Irene Lew, also spelled Irene Liu and Aileen, is the main female character in the trilogy, serving as Ryu's romantic interest, and the series' damsel in distress. She is an agent of the CIA's Secret Auxiliary Unit, working under the codename "Sea Swallow".

Jan 29, 2025 · Ninja Gaiden 2 Black's Chapter 2: The Castle of the Dragon takes players to Hayabusa Village, where the Black Spider Clan is hunting down the Demon Statue to resurrect the Archfiend. In this IGN ...

Jan 29, 2025 · Earth Dragon Statue #2. After using the statue the door will open, go through it and look to your left. You'll notice a new swarm of enemies quickly approaching your position.

Jan 27, 2025 · Ninja Gaiden 2 Black Difficulty Settings. This game offers four difficulty settings: Hero Play Style: The easiest of them all, ideal for newcomers who aren't as confident in their combat skills ...

Ninja Gaiden II: Black is an enhanced remaster of Ninja Gaiden II. Much like Ninja Gaiden Sigma 2, it was developed with the input of approval of Tomonobu Itagaki, albeit without his direct involvement. The game is meant to be the "definitive version …

After making it to the top of the tower, Ryu finds Irene, who has been captured by Ashtar. Ashtar then blasts Ryu with energy from his own sword; before Ashtar can finish off Ryu, Robert appears and shoots Ashtar in the back, stopping him.

Sep 11, 2022 · Ninja Gaiden II (Team Ninja) In Team Ninja's Ninja Gaiden II, under the codename Sonia, Irene returns as the female lead. While searching for Ryu, she is ambushed by the Black Spider ninja clan and captured, but is subsequently rescued by Ryu.

In the rebooted version of the series, Irene and Hayabusa meet during the Demon Statue incident in Ninja Gaiden II, where the two of them started off as professional partners and grew closer with time. When Ryu defeated the demon god Vazdah the first time around, Irene ran up to hug him.