Luo Xia had already extracted the location of the Soul Stone from Gamora. The poor female assassin had even had her childhood bedwetting incidents dug up by Spiderweb Space. In the end, Nebula only managed to get her sister released after learning about it and pleading on her behalf.
Otherwise, Gamora, having already been stripped of all her value, would probably have been locked up by Sarah until she died—or sent straight to the lab as experimental material.
If that happened, poor Star-Lord would likely have had to continue his life of flirting with all kinds of alien girls. It was probably hereditary; only Star-Lord had such an appetite that he could even get hard for girls from the Tentacle Monster species.
"Nebula, you actually saved me?"
Gamora was genuinely surprised when she saw her sister. More than half of the life-threatening dangers she had encountered growing up had been caused by Nebula, yet now Nebula had saved her life.
"Because I realized that if you died like this, then when I kill Thanos, no one worthy would remain to share that joy with me. Of course, after I kill Thanos, I'll kill you with my own hands too," Nebula said.
"We'll never be able to kill Thanos," Gamora said sadly.
During this time, Spiderweb Space had continuously excavated her deepest memories. All those memories she had been forcibly made to forget had surged back into her mind, leaving Gamora in an extremely low mood.
"You certainly can't, but I'll achieve my goal very soon." Nebula held out her arm, and a layer of black skin spread over it, covering it like a skintight suit.
As a professional assassin, Gamora keenly sensed that Nebula's threat level had skyrocketed. Previously, the two had been evenly matched, with Gamora perhaps just a