Wither

The Wither is one of the primary bosses that you fight in the game, Minecraft, it's generally considered by some to be more challenging and formidable than the Ender Dragon, but easy if you're able to exploit it. It is also the final boss of the Minecraft adventure map, Herobrine's Mansion.

Kill Count

Scrubby (Minecraft Simoz HC #2)
Gizzmo (Herobrine's Mansion Mercyte HC)
Max (Minecraft RLYoshi HC #2)
Beamz, Leon, Soms (Minecraft Wed Widing Core #2)
Turtlez (Minecraft OGcore #1)

Survivors

Chad, Dean, Jeff (Minecraft PBG HC #6)
Jerry, Jero (Minecraft RLYoshi HC #2)
Aman (Minecraft HC Remastered #3)
Sandwich (Minecraft Spacecore #2)
Del, Wist, SY64 (Minecraft Delcore #2)
Wist, Heath, Kryptyk (Herobrine's Mansion Mercyte HC)
Connrad, Nick, Luke, Wack (Minecraft Terra HC #1)

Summoning the Wither

In order to summon the Wither, the player firsts need to collect 3 Wither Skulls which have a 2.5% chance normally, 3.5% with Looting I, 4.5% with Looting II and a 5.5% chance to drop with Looting III.