Cleric

The Cleric is a divine servant of the gods and does their bidding through their combat prowess and divine spells. They use heavy armor and simple weapons and use magic to improve their abilities in combat. Clerics are powerful healers due to the large number of healing and curative magics available to them. With divinely-granted abilities over life or death, they are also able to repel or control undead creatures. Whether the cleric repels or controls undead is dependent on its alignment.

Domains
At the beginning of their career, clerics must choose two of the powers associated with the patron (called Domains) as the focus of their particular training and faith. These allow them to prepare Domain Spells each day from those domains' set lists, in addition to their more general cleric spells.

Each domain also has another set power associated with it. For example, the Strength domain allows its clerics to increase their strength for one round per day by a number equal to their cleric level, and the Healing domain makes clerics more adept at casting healing spells.

Spontaneous casting
Clerics have one exception to the rule that most spellcasters must prepare specific spells, that is defined by each cleric's alignment. Good-aligned clerics can transform a memorized (non-domain) spell into a healing spell of the same level. Evil aligned clerics can perform a similar feat but convert memorized spells into Inflict spells that cause similar damage. Neutral clerics must choose one type of spell conversion or the other at first level, which cannot then change short of an alignment change.