For the location see: Nautiloid
The Nautiloid is a ship used by Mind Flayers to travel between worlds and through the Astral Plane. They can be encountered at several points during the events of Baldur's Gate 3; ridden on during the Prologue, sighted at the Mind Flayer Colony, and as a combatant during Confront the Elder Brain.
Attacks and abilities
The nautiloid will target several areas on the ground, then attack during the next round.
External links
Nautiloid on the Forgotten Realms Wiki