Mysticism allows the building of the Oracle, which doubles the effects of temples.
| Prerequisite advances:|
| Mysticism (Civ1)|
| Needed for further advances:|
As populations and knowledge grew, a new class of spiritual advisors arose to satisfy the need for less formal, state-centered rites of worship. The priests and priestesses of Mysticism, often called oracles, claimed union with the divine through meditation and trance-like contemplation. Mysticism offered for the first time the hope of personal salvation and immortality, concepts important in the development of later Religions.