Wikia

The Substantive Charm was a spell of unknown effect. The day before his O.W.L. exam for Charms, Seamus Finnigan laid on the floor reciting this spell's definition as his friend, Dean Thomas, confirmed it in The Standard Book of Spells, Grade Five.

Appearances

The Standard Book of Spells
Books: The Standard Book of Spells, Grade 1 · The Standard Book of Spells, Grade 2 · The Standard Book of Spells, Grade 3 · The Standard Book of Spells, Grade 4 · The Standard Book of Spells, Grade 5 · The Standard Book of Spells, Grade 6
Charms included in the series: Fire-Making Spell · Levitation Charm · Locking Spell · Mending Charm · Softening Charm · Severing Charm · Unlocking Charm · Dancing Feet Spell · Disarming Charm · Engorgement Charm · Freezing Charm · General Counter-Spell · Memory Charm · Tickling Charm · Summoning Charm · Banishing Charm · Substantive Charm