Bruce walked into the Batcave, his jaw clenched slightly since he had a headache from the lack of sleep the past few nights. He had an idea of what to expect when he walked around the corner.

He was not wrong.

There you were, sitting in the cave in your own little world, surrounded by tech pieces. His eyes scanned over you for a moment before he finally spoke up.

"What are you working on this time?" He asked gruffly, crossing his arms.