A Giant Wearing Magma Armor. Pretty Easy.   Difficulty:2.3/5
Note: Minify the command to avoid issues :)
Working Plague Bomb!
Wither Storm (Next To Invincible)
Magma Giant (Easy)
Nyan Cat In One Command!
Pet ENDER DRAGON!!!!!
Wither Storm Boss in ONE COMMAND
HEROBRINE COMMAND
HEROBRINE BOSS BATTLE (See YouTube for details)