Speaking of which, DC was the place with the most "chameleons." Whether they imitated others through makeup and props or simply possessed the ability to shapeshift into other people, chameleons had always been active in different stories.
Marvel also had chameleon-type characters. The Super Skrulls' shapeshifting abilities were nearly perfect, but they were aliens after all, and their way of thinking differed from humans'. Once someone had experience dealing with them, they could tell the fakes apart without any equipment.
So when Nyarlathotep came to the DC Universe in disguise, putting on a performance in this dark and suspicious universe right in front of Deathstroke, the person most fond of impersonating others, was somewhat like showing off an axe before Guan Gong.
It was still a god, after all, and lacked understanding of many details of human life. Although its many avatars had once lived in human society, those were matters of history.
People nowadays lived in a world that changed with every passing day. Skip surfing the internet for even one day, and you might already fall behind.
"Is he an Old One?" The Flash, whose neck Deathstroke had hooked with an arm, stumbled along with his eyes shut. His voice was low, as though he were frightened. "Is it really okay to just leave him there with our backs turned?"
"It's fine. In fact, if he could kill us, you'd probably all have died already." Su Ming casually patted Barry on the back and smiled. "Open your eyes. Things haven't developed into the bad situation I expected."
"Wait, why would all of us be dead? What about you?" The Flash seemed to have noticed something wrong.
"Heh heh, of course I can't die. Come to think of it, I can barely remember how many survival plans I have.