Peter had already been awake and slipping out of his bed when James bolted upright, and he had sat upright at the sound of footsteps, the dormitory door having shut just moments before.
Sliding out of bed, Peter snatched up the jumped he had deliberately left out that night and tugged it on, snatching his wand from his bedside cabinet and a rolled up scroll of parchment. "I've got to let Lily know," He said, words directed to James.
"I just need to get this to her, and then I'll join up with you two--Alright?"
It was resignation that had left Peter so sure of what they planned to do tonight.