Sam's eyes were wide, watching everything unfold, hands clenched around the chair's arms. He didn't know what was happening, so suddenly, but Lucifer was everywhere and then...it was just Jack. Or was it?
Sam lunged out of the chair; he wasn't taking any chances. Ellie. Owen-Lucifer-whatever - Ellie. He had to find her, keep her safe from...he didn't even know anymore. But now he knew he had to find her, heart pounding in his chest at Lucifer's threat.
Sam's fist swung, clipping Jack in the jaw. Whether or not it actually was Jack, Sam didn't know, but right now it didn't really matter.