Eras are collections of frames and periods, from The One True Comic, that relate to a specific period of emotional, spiritual, or metaphysical growth of the characters Megan and Cueball, and their Sandcastle. A high resolution diagram showing how Eras relate to Periods can be found here.
The Eras:
Sandcastle Eon[]
- 0001 to 0136: Pre-expansion Era
- 0137 to 0420: Castleiferous Era
- 0421 to 0582: Industrial Era
- 0583 to 0798: Developing Era
- 0799 to 0971: Enlightenment Era
Journey Eon[]
- 0972 to 1021: Shoreline Era
- 1022 to 1220: River Era
- 1221 to 1423: Hills and Forest Era
- 1424 to 1661: Discovery Era
- 1662 to 2356: Mountain Era
- 2357 to 2530: Night Era
- 2531 to 2645: Summit Era
Encounter Eon[]
- 2646 to 2813: Contact Era
- 2814 to 2920: Civilization Era
- 2921 to 3094: Rescue Era