Fightin' Infightin'

Dose other bosses o' yours, Brung and Shmeek, is trying to keep your boyz in line, but dem Black Orcs is causin' a ruckus. Da biggest one, Rorg 'Eadbutta, is sayin' you ain't da Waaagh! boss. He made Shmeek an' some other boyz follow 'im out to Death Peak, and now he's tryin' to get 'em all to follow him instead. Dere's only one fing ta do. You gotta smash dat git 'Eadbutta in front o' dem all. Dat'll get dose boyz back in line. Here, I'll show ya on yer map where dey is. I'll meet ya out dere and cheer for ya, boss!

Travel into Death Peak to find Rorg 'Eadbutta. Defeat him to put an end to the infighting. After you've smacked some sense into Rorg, speak to Low Boss Phuntz, who will be watching the fight.