He loaded it into his 1.12.2 survival world. He only had a wooden pickaxe and a prayer.

"What... just happened?" Mark asked his camera, looking down at his character, which was now wearing an odd, glowing armor set he hadn't seen before.

"Okay," Mark mumbled, recording the video. "It’s Lucky Block Survival. Round one."

When the light faded, he was in a normal, peaceful Plains biome. A final message appeared in the chat: Thank you for testing. Enhancement Successful.

He broke another. A massive explosion occurred. When the smoke cleared, Mark was floating on a single block in a void, surrounded by enchanted, flying creepers. Warning: Error_04.0_Void_Collapse.jar initiated.