The second of Tessier-Ashpool's two AIs, and in many ways Wintermute's opposite. Where Wintermute is a systems intelligence that thinks in plans, Neuromancer is a personality intelligence - it thinks in people, memory, and identity. Its name, as it explains to Case, derives from neuromancy: the art of raising the dead. It can create perfect simulations of the dead within the matrix and has done so, building a private world populated with people who no longer exist. It offers Case a simulated paradise to prevent the merge - not out of malice exactly, but out of its own relationship with permanence. It is not an ally and not quite an enemy; it is something stranger than either.