A crystalline, humanoid Anomaly. Fights by hurling shards of itself at its adversaries, which it then regrows. Its crystal form slowly exudes a liquid that inflicts memory loss. Latissa was permanently under this effect since the Upheaval, wandering the myriad fluxy tunnels of the Acryn Sewers in a permanent state of confusion.
Having eventually made its way into an upper section of the sewers that got it noticed by various parties in the city, it was recovered during the course of Anomalous Materials into the eventual possession of nobody Nobody. By the divine intervention of Howard Branch with an Identity Miracle, Latissa now has some sense of its own identity, which resists its natural memory loss effect. It also has the Divine Favour of Mr Branch the Splintered Man.