Rule Instance

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    "url": "https://api-beta.open5e.com/v2/rules/srd_spellcasting_spell-slots/?format=api",
    "name": "Spell Slots",
    "desc": "Regardless of how many spells a caster knows or prepares, he or she can cast only a limited number of spells before resting. Manipulating the fabric of magic and channeling its energy into even a simple spell is physically and mentally taxing, and higher level spells are even more so. Thus, each spellcasting class's description (except that of the warlock) includes a table showing how many spell slots of each spell level a character can use at each character level. For example, the 3rd-level wizard Umara has four 1st-level spell slots and two 2nd-level slots.\n\nWhen a character casts a spell, he or she expends a slot of that spell's level or higher, effectively “filling” a slot with the spell. You can think of a spell slot as a groove of a certain size-small for a 1st-level slot, larger for a spell of higher level. A 1st-level spell fits into a slot of any size, but a 9th-level spell fits only in a 9th-level slot. So when Umara casts _magic missile_, a 1st-level spell, she spends one of her four 1st-level slots and has three remaining.\n\nFinishing a long rest restores any expended spell slots.\n\nSome characters and monsters have special abilities that let them cast spells without using spell slots. For example, a monk who follows the Way of the Four Elements, a warlock who chooses certain eldritch invocations, and a pit fiend from the Nine Hells can all cast spells in such a way.",
    "index": 4,
    "initialHeaderLevel": 2,
    "document": "https://api-beta.open5e.com/v2/documents/srd-2014/?format=api",
    "ruleset": "https://api-beta.open5e.com/v2/rulesets/srd_spellcasting/?format=api"
}