Rule Instance

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{
    "url": "https://api-beta.open5e.com/v2/rules/srd_monsters_spellcasting/?format=api",
    "name": "Spellcasting",
    "desc": "A monster with the Spellcasting special trait has a spellcaster level and spell slots, which it uses to cast its spells of 1st level and higher (as explained in the *Player’s Handbook*). The spellcaster level is also used for any cantrips included in the feature.\n\nThe monster has a list of spells known or prepared from a specific class. The list might also include spells from a feature in that class, such as the Divine Domain feature of the cleric or the Druid Circle feature of the druid. The monster is considered a member of that class when attuning to or using a magic item that requires membership in the class or access to its spell list.\n\nA monster can cast a spell from its list at a higher level if it has the spell slot to do so. For example, a drow mage with the 3rd-level *lightning bolt* spell can cast it as a 5th-level spell by using one of its 5th-level spell slots.\n\nYou can change the spells that a monster knows or has prepared, replacing any spell on its spell list with a spell of the same level and from the same class list. If you do so, you might cause the monster to be a greater or lesser threat than suggested by its challenge rating.",
    "index": 23,
    "initialHeaderLevel": 3,
    "document": "https://api-beta.open5e.com/v2/documents/srd-2014/?format=api",
    "ruleset": "https://api-beta.open5e.com/v2/rulesets/srd_monsters/?format=api"
}