Spellcasters select domains as they advance in learning and experience. The selection of a domain makes all the effect words in that domain available to the spellcaster for the formulation of spells.
Additionally, one Level 0 effect may be selected by characters with the Domain Power feat. The Improved Domain power feat allows a character to select a 1st Level effect of any domain she already knows a 0 Level effect from.
As well as the Domain list below, effects are also listed on this page as follows: