how to tame:
1:Name your person Barney (or W-turtles
2:the easy mode,it single player do the command SummonTamed Megapitecus ...
Ah...you want in the multiplayer sever?silly boy...you can`t tame a boss for your unlucky,but for my lucky if the people can`t tame bosses I can stay ok in my base
5 days later
My base is distructed for a Fire wywern