The Enter the Dominatrix Add-on for Saints Row IV has 10 achievements worth 100 gamerscore.
Spend 30 minutes with Raptor Ned as your homie.
Complete all five missions.
Kill the Dominatrix in 'Escape the Dominatrix'.
Destroy all the green polyps inside Paul in 'Pop His Top'.
Destroy all the rival pony carts in 'At the Races'.
Complete 'Meet the Dominatrix' without dying.
Get 250 kills with the Minigun.
Get 100 kills with the Grenade Launcher.
Get 100 kills with the Flamethrower.
Kill Zinyak in less than 5 minutes in 'Save the Planet'.