Intimidate, meant to show he is dangerous and means business. Affects all in 30 ft, just for dramatic effect, and I'll Stare Down the succubus as intended.
Rolled 1d20+18 : 15 + 18, total 33
Diplomacy, meant to distract and lure her towards a sit down and away from violence.
Rolled 1d20+10 : 7 + 10, total 17
Because it does occur to me this is basically his most potent skill, and I should be attempting to utilize intimidation and diplomacy more often.