Will automatically summon Deathstroke.
Note: Minify the command to avoid issues :)
Gamma Radiation Bomb
Spidey sense, Bane strength and space mechanics in one command block!
Tony Stark
Mojang has sent you a package!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)