Aight
First download all the mods and themes and avatars and works and
ALL THAT
Then crush your Nintendo switch and regret everything I ever said.
Good job.
Put in chat" /Give @s repeating_command_block " place it down, and put in the box" /summon minecraft_wither " then go down to the settings and make it not need redstone and make it always active and boom. It crashes in seconds
Dig a 1x1x2 hole and fill about 20-100 villagers inside it. then, throw a splash potion of harming at them. The game will not display an error, but at least you crashed the game.