Iarsa deftly ducks under the skeleton's corroding blade, and rams an elbow into its ribs. Then her sword flashes across the skeleton's neck.

If this slays the skeleton again, she then leaps over it's body to 2S without provoking an OA.

Spoiler
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Acrobatics: (d20+9)[23]
Piercing Strike: (d20+7)[20]
Damage: (d6+4)[5]