do /Gamerule KeepInventory true
Note: Minify the command to avoid issues :)
HUMAN MINER NPC NO MODS (warning: this npc has no ai its good for lots of stuff)
summon a stray! and a husk!
aging potion!
become any item!
HOTEL ONLY ONE COMMAND BLOCK
"Herobrine joined the game."
make houses!
BIG TNT BLOCK!