The Wither Boss In Minecraft Pocket Edition! - MCPE Gameplay - Boss Fight - Concept Video - YouTube
Epic Wither Boss Battle - Minecraft 12w34a - YouTube
Wither – Minecraft Wiki
Minecraft wither: how to spawn and defeat the wither boss | PCGamesN
Finally ... I managed to kill the wither boss who ruined my world. And the best thing is that I only needed 17 totems, full diamond armor and a few potions. :
Wither Boss Fight! (Minigame) - Maps - Mapping and Modding: Java Edition - Minecraft Forum - Minecraft Forum