The Flint-Heart Jar is a courage jar spell: a sealed vessel of hard, unyielding things — flint, iron, thorn, and salt — forged on the dark of the moon to become a second heart of stone that answers a blow with a spark. Flint gives nothing until it is struck, and then it gives fire. This working gathers that stubborn strength into one jar and asks it to lend you its nature. The new moon shows no face at all, the sky’s own courage, to go on turning through a darkness so complete; in that black you build a heart that needs no light to know its own strength.
Correspondences for This Spell
- Colour: red, for courage and Martial fire
- Herbs: thyme, ginger, and yarrow, the classic courage herbs, beside the blackthorn and hawthorn this spell calls for
- Crystal: carnelian, bloodstone, or red jasper, steadying stones of nerve and blood
- Day: Tuesday, the day of Mars
- Planet: Mars, ruler of will, defence, and daring
- Element: Fire, the spark sealed within the glass
- Moon: the waxing moon strengthens courage, so this jar is begun at the new moon and grows as the light returns
For the full table of magical associations, see the correspondences guide.
What You Will Need
- A small bowl to gather and charge the ingredients
- A small jar with a tight-fitting lid
- A piece of flint or dark stone, and a nail or shard of iron
- Crystals — a black stone such as obsidian or black tourmaline, and, if you wish, a courage crystal like carnelian, bloodstone, or red jasper
- Herbs — blackthorn and a few hawthorn thorns (thyme, ginger, or yarrow may be added for courage)
- Coarse salt to bind and guard the working
- Red thread to seal the lid
The Best Time to Cast
Cast on the night of the new moon, when the sky shows no face at all. The dark moon is the perfect ground for a working forged in secrecy and turned inward, a heart built to need no light. If you can, choose a new moon that falls on a Tuesday, the day of Mars, to lend the jar a warrior’s edge. What you seal now grows with the waxing moon that follows: as the light returns, the strength you buried in the dark strengthens with it.
The Working
- On the night of no moon, set out a bowl and into it lay a piece of flint or dark stone, a nail or shard of iron, and a black crystal if you keep one.
- Add a pinch of blackthorn, a few thorns of hawthorn, and coarse salt to bind and guard the whole.
- Speak into the bowl the name of the fear you mean to master, low, as though telling a secret to the dark.
- Transfer everything into a small jar, layering salt between each hard thing so that nothing rattles loose.
- Bind the lid shut with red thread, winding it nine times and knotting it on the ninth, sealing the working in the dark.
- Strike the flint against the iron once through the glass, or knock the jar sharply, and feel the spark you have sealed within.
- Bury the jar at your threshold or keep it in the deepest, darkest corner of your home, where no light finds it.
The Incantation
Flint and iron and blackthorn bound,
sealed in the dark where no moon’s found.
Strike me and see what the striking earns,
a spark held close where the flint-heart burns.
Nine times wound and nine times sworn,
from the blackest night a hard heart born.
Come what may to test my mettle,
I am stone and thorn and I will not settle.
Variations & Substitutions
- No flint? Any hard, struck stone will serve — a river cobble, a piece of granite, even a spent match head — anything that gives resistance before it gives spark.
- No blackthorn or hawthorn? Use the courage herbs from the correspondences, thyme, ginger, or yarrow, or add a single rose or bramble thorn for the same guarding sharpness.
- Cannot bury it? Keep the jar in the darkest, most private corner you have — the back of a wardrobe, a shut drawer — anywhere no light finds it, and it works the same.
A Word on Intent
This is a working of the Wiccan Rede: “an it harm none, do what ye will.” The Flint-Heart Jar arms you against your own fear; it does not turn you hard against other people. Name the fear you mean to master, never a person. Courage raised this way is for standing your own ground and meeting your own trials unbowed, never for coercing, intimidating, or harming another. Let the spark be yours to carry, and let it harm none.
Related Courage Spells
Find more workings like this in the Grimoire, and keep your own record of what you cast in your Book of Shadows.