Spellcasting can be improved by rising in spellcaster ranks and purchasing perks. Almost every spell can be learned without assistance, but there are 'Ultimate Spells' for each school of magic that can only be learned from being tutored by a sage. Learned spells can be reviewed in a spellcaster's personal spell book. Spellcasters can learn and cast spells from the three schools of magic, Practical, Mischief and Untamed. Usually only the NPC sages know this spell in The Magic Realm, but it can be learned. In The Sims 4: Realm of Magic, Sims can become a spellcaster through any other spellcaster that knows the 'Rite of Ascension' spell. Until then, their only option is the 'Play With Magic' self-interaction. They cannot properly cast spells until they reach level 2 of the secret spellcasting skill. Sims can once again become witches in The Sims 3: Supernatural, either by drinking a transforming potion, being born as a witch, or being created as a witch in Create a Sim. Sims can learn a variety of spells to cast from it, which have the potential to fail. Lady Ravendancers Goth's Book o' Spells is an object from The Sims 3 Store which can be bought for 395 Simpoints.

Witches must gather or brew reagents in their personal cauldrons before they are able to cast spells, and the spells they know depend on their alignment, which can be viewed in their personal spell books. Usually only the NPC high witches know this spell in a newly generated neighborhood. Sims can be turned into witches by any other witch that knows the 'Magus Mutatio' spell.

In The Sims 2: Apartment Life, the ability to cast spells is now tied to the witch life state. Sims must charge their wands with spells at cauldrons before they can use them. Sims can either travel to Magic Town to ask for a wand from him directly, or receive a wand when he delivers a magical package to households when they first move into a lot. In The Sims: Makin' Magic, any Sim who owns a wand can cast spells, which can be acquired from the Mystery Man.

Sims 3 magic spell book