Anger Just Leads To More Violence is the fourth boss quest/mission.
After you complete this mission, you will be heading to the East Shore to face booty king.. You should also find BUTTHOLE LANDIA
Here are the exact words of the mission:Big Butts's older sister, magic butthole, is on the warpath. I don't think reconciliation is in order. Destroy this beast of a butt and use the Blood of Pee to reach the East Shore.
Kill 1 Petunia the Angry
Rewards: 1 billion gold 2 pee pee stones and 1 poo poo sandwhich