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How could you tell?
Maybe because of the electricity-like bolt of red-hot whatever-the-fuck that went up your arm.
And then you were backing up rapidly as a male appeared in a flash of red light.
He was rugged-looking, with pitch black hair and a streak of red. Numerous, large scars littered his face. That wasn't what made your worry immediately spike. No. It was the blood creating a pool around him that concerned you the most.
One of his arms looked broken, bent at a wrong angle. And his face, although you'd never seen it, looked far too pale.
His other arm was pressing some sort of white fabric against the wound in his side and you could feel his stunned glare on your figure as he seemed to look from the machine to you.
"... Y'shouldn't've fucked 'round with that." His voice was low and monotone, but carried a hint of a wince and a small amount of natural roughness. Like he spent more time being silent than talking.
And then he promptly passed out.
You sent a wide-eyed look to your Professor, Lucy, and TJ. As if a command had been echoed through all three of your's minds, you ran to the male to help get him to the infirmary before he bled out on the lab's floor.
---
When your professor uncovers a machine connected to the sentient expanse nicknamed "the void" and you start messing around with strings of time, your life really tables its turns.
You had many questioms, but the biggest of the pile was: "Why the fuck is this dangerous dude from the multiverse sorta hot?"