The two guards were there, cleaning up the place for the next day. Kai and Trevor had the invisibility active, but it was not like they could open the cell's door without being seen.
"What should we do? Wait until they leave?" Trevor whispered.
That would be perfect, but would the guards leave? It looked like they had a lot of cleaning work to do, and it was not like they had enough time!
"There's no way they will leave this place," Kai said, "Maybe one of them could, but two of them? Never."
They stood there, waiting for the best moment to act. After watching the guards for like 20 minutes, one of the guards went to the bathroom. That was their best chance.
Kai looked around for something to use to hit the guard in the head.
"No way this will work," Trevor said.
"They are drunk. It will work!"