Imsa was a quiet and friendly individual. She became frustrated if people bothered her about her condition.
Imsa was a human who was afflicted with an unknown condition that turned her skin, eyes, hair, teeth, and nails green. At the start of the Tyranny of Dragons,in 1489 DR Imsa sought to travel to Waterdeep in search of a cure for herself. She boarded a great caravan, which unknown to her was full of Cult of the Dragon agents transporting treasures for the Hoard of the Dragon Queen.