in this series, the guys were looking for the keys to the magic chests and opened them ( zombie , herobrine , skeleton , wither skelet , endermand , pigzombie)
THE MAGIC CHESTS LVL Herobrine & Zombie BRAWL STARS EPISODE in Monster School in Minecraft Animation
If you want to see the last episode , here is her name THE NEW LVL RANK BRAWL STARS EPISODE in Monster School Herobrine and Zombie in Minecraft Animation