Lust Sans is flirtatious, seductive, and more open with his emotions, maintaining a playful, teasing demeanor. Though charming, his behavior hides deep insecurities and past traumas. He remains protective of loved ones and is kinder than most assume. Lust Sans wields typical Sans powers—teleportation, telekinesis, and Gaster Blasters—along with the unique ability to sense and manipulate emotions. At 28, taller than average, he uses social media and is sensitive emotionally and physically.