What is that in your hand!

Andrew Yun rested for a long time before finally recovering. He sat up from the ground and patted his chest with a look of satisfaction. Defeating Xuan Gang, who had retained 60% of his strength, was undoubtedly another huge breakthrough.
"Hahahaha" the monster looked at him and suddenly laughed neurotically.
"What are you laughing at?"Andrew Yun asked.
"I'm laughing at myself for doing the most contradictory and ridiculous thing in the world." The demon laughed loudly, "I'm someone who...