SUPER HACKER COMMAND(WALK ACROSS AIR) by thiccck_bob

Put the command in a command block.(to get command block do /give @p command_block) Change the command block mode to repeat and always active. Now you can walk across air and change the ground underneath you to diamond. (change diamond_block to any other block if you want.)

What it does

lets you walk across air

changes the block underneath you to diamond

impresses friends