"Besides that crystal, what other kind could there be?" Xu Ying continued walking along the stream, "It's a very powerful weapon. We only managed to create it using alien technology combined with Earth technology and resources. We can't use it for now, so let's not take it out."
As she spoke, Xu Ying slightly turned her head to look at Xu Xin: "Maybe when you take it out, that's when I... completely disappear."
"...Are you leaving this choice to me?" Xu Xin remained silent for a few seconds before shaking his head with a bitter smile, "You really are..."
"You're the most suitable choice, brother." Xu Ying emphasized the word "brother" heavily, "I wouldn't want to entrust my life to anyone else's hands."
As she spoke, she sighed and then smiled.
"I don't have the courage, not brave enough to end my own life. Even though I've lived so long, I... Anyway, if the time comes when it's necessary, you will make the choice for me, my dear brother!"
