All the following Earth Quartz can be acquired throughout your journey through the Erebonia.

Earth Quartz

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 ancinet powers onto the battlefield	Y	Enemy Drop: Oi-Gadia
Gravion Hammer	Awakens the energy sleeping deep below the earth	Y	Juno Naval Fortress Chest

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

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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The Legend of Heroes: Trails of Cold Steel III