Level indicates a units 'High Priest' cost, that is the number of Altar upgrades needed to achieve that units production.
| Level | Cost |
| One | Sacrifice 1 High Priest to achieve production. |
| Two | Sacrifice 1 High priest and upgrade Altar to level 2 and the next priest sacrificed, production will be attained. |
| Three | Sacrifice 1 High priest and upgrade Altar to level 2, Sacrifice next High priest and upgrade Altar to level 3 and with the 3rd priest sacrificed, production will be attained. |
Nsworld 12:52, July 9, 2010 (UTC)
