Abaddon silently stepped away from Camael, towards the still laughing teenagers. Barely able to hide his contempt - knowing that he didn't really need to - he approached the first boy and leaned in close, whispering something shortly. 

The boy turned white as a ghost, his laughter ceasing. Again, Abaddon leaned forward, towards the second teen. A whispered exchange and the teen's complexion matched his friend's.

It wasn't necessary to repeat the action on the third teenager; his friends sputtered and ran out the door, the third friend stumbling after. Abaddon smirked as he watched them flee.