Discover all Earth Quartz in The Legend of Heroes: Trails of Cold Steel III. Find Attack, Support, and Special Quartz with effects, locations, and crafting details.
This guide details the various Earth Quartz available in The Legend of Heroes: Trails of Cold Steel III, categorized into Attack Arts, Support Quartz, and Special Quartz. Each entry includes its name, effect, whether it requires S-Craft or Regular Craft, and its location or crafting method.
Attack Arts
| Name | Effect | S/SR | Location |
| Needle Shoot | Launches a sharply pointed boulder at an enemy | Y | Enemy Drop: Rontes |
| Ivy Nail | Calls up thorny vines from below | Y | Hamel Road Chest |
| Megalith Fall | Drops a giant slab of rock imbued with ancient powers onto the battlefield | Y | Enemy Drop: Oi-Gadia |
| Gravion Hammer | Awakens the energy sleeping deep below the earth | Y | Juno Naval Fortress Chest |
Support Quartz
| Name | Effect | S/SR | Location |
| Crest R | Grants Earth’s protection to raise defense slightly (Area M) | Y | Einhel Keep Lv. 1 Chest |
| La Crest | Grants Earth’s protection to raise defense slightly (Area LL) | Y | Crafted |
| Earth Pulse | Taps the energy of earth veins to stimulate healing | Y | Enemy Drop: Goldcider |
| Adamantine Shield | A shield protects targets from physical attack | Y | Enemy Drop: Oi-Gadia |
| Impenetrable Shield | Grants the following arts, La Crest/Earth Pulse/Adamatine Shield | Y | Enemy Drop: Magic Knight Heavy Golem |
Special Quartz
| Name | Effect | S/SR | Location |
| Defense 1 | Increases Defense +20 | Y | Crafted |
| Defense 2 | Increases Defense +40 | Y | Crafted |
| Defense 3 | Increases Defense +80 | Y | Crafted |
| Break 1 | Increases Break Damage +20 | Y | Crafted |
| Break 2 | Increases Break Damage +40 | Y | Crafted |
| Break 3 | Increases Break Damage +60 | Y | Crafted |
| Poison 1 | Attacks can poison enemies (15% Chance) | Y | Enemy Drop: Ginosha-Zanak / Crafted |
| Poison 2 | Attacks can poison enemies (30% Chance) | Y | Crafted |
| Poison 3 | Attacks can poison enemies (50% Chance) | Y | Crafted |
| Petrify | Attacks can petrify enemies (15% Chance) | Y | Crafted |
| Petrify II | Attacks can petrify enemies (30% Chance) | Y | Crafted |
| Petrify III | Attacks can petrify enemies (15% Chance) | Y | Crafted |
| Shield Breaker | Attacks can cause defense down (15% Chance) | Y | Agria Old Road Chest |
| Shield Breaker II | Attacks can cause defense down (20% Chance) | Y | Enemy Drop: Gespard Gerrod |
| Shield Breaker III | Attacks can cause defense down (25% Chance) | Y | Crafted |
| Earth Bell | Delay reduced by half after Earth arts are used | N | Enemy Drop: Queen Kumanba |
| Septium Vein | Enemies drop more sepith | Y | Crafted |
| Dragon Vein | The Assault Gauge gradually recovers in the field | N | Enemy Drop: Mordreian |
| Steel Bell | Increases damage by 30% and halves the delay when Earth Arts are used | N | Enemy Drop: Great Abyss |
| Genbu | Attacks/Crafts can poison or petrify enemies (30% Chance) | N | Enemy Drop: Great Abyss |
| Rakan Gem | Increases Break Damage by 80% and Enemies drop more Sepith | N | Enemy Drop: Lustful Arachne |
| Acala Gem | Assault Points gradually recovers in the field | N | Enemy Drop: Meghidoradon |
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