Swamp boss brawl issue

[Buubuuftw]

Ok so I've done all quests in the swamps and in crocs fued, explored all the dungeons in these 2 maps but the Swamp boss brawl is still locked! Why is it locked? Can someone tell me how to unlock it? ty

[Twinkman]

If u have finished mardi growl then it should unlock

[Buubuuftw]

ohhhhhh ok ty very much

[Twinkman]

Np good luck :D