What Happens When You Spawn the Wither, Magician Supreme Boss, Hydra Dragon & Ender Dragon in MCPE?

In todays video Ill show you what happens when you spawn the Wither, the Magician Supreme Boss, the Hydra Dragon Boss and the Ender Dragon!\r
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Addons: mcpedl.com\r
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Music:\r
Blue Ska Kevin MacLeod (incompetech.com)\r
Licensed under Creative Commons: By Attribution 3.0 License\r