Ronan has something called an infinity stone.
5 seconds sound clip from the Guardians of the Galaxy (2014) movie soundboard.
You can hear this line at 01:13:11 in the Blu-ray version of the movie.
Quote context
[...]
- You abducted me, man. You stole me from my home and from my family.
- You don't give a damn about your Terra!
- You're scared because you're soft in here. Here, right here!
- Ronan has something called an infinity stone.
- Then you know we must get it back!
- He's gonna use it to wipe out Xandar.
- We have to warn them. Billions of people will perish.
- Is that what she's been filling your head with, boy? Sentiment? Eating away your brain like maggots!
[...]