[s2e13] Darkness Falls Here

After seemingly destroying Raava, Unalaq transforms into a massive, monstrous "Kaiju" form (UnaVaatu) and heads toward Republic City to usher in 10,000 years of darkness. Critical Reception

Critics and fans often rank this as one of the most emotional episodes of the series. While some fans find the loss of the past lives heartbreaking, critics praise the sequence for its animation and for forcing Korra to grow as an independent Avatar in a "new world". LoK Rewatch Season 2 Episodes 13&14: "Darkness Falls [S2E13] Darkness Falls

In the episode's most controversial and pivotal moment, Unalaq rips Raava (the light spirit) out of Korra. He proceeds to strike Raava repeatedly, which severs Korra’s connection to all her past lives—including Aang, Roku, and Kyoshi. After seemingly destroying Raava, Unalaq transforms into a