Clerics also have the spontaneous casting ability. This ability allows the Cleric to convert their spells into healing spells (if good) or inflict spells (if evil). This allows your Cleric some flexability in chosing which spells to memorize. So, if you have a good aligned Cleric and need to cast a healing spell but did not memorize any or have already used the ones that you had, if you have any spells left, you can convert those spells to the healing spell for that level - i.e. Level 1 - Cure Light Wounds, Level 2 - Cure Moderate Wounds, etc.
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