Earth Core

Oh no! The water! I'm in big trouble if I don't fetch it!
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Earth Core
Japanese	アースコア
Rōmaji	Āsu Koa
Type	Pureblood Heartless
Games	Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage- Kingdom Hearts III
Variations • Flame Core • Water Core

Earth Core
Kingdom Hearts III
If you want to rock these baddies' world, aim for the face; their pointy posteriors will only deflect your blows. Physical attacks will pass through them when they sand-travel, but spells still hit home, so mash that magic! When they gather sand and grow enormous, a Goofy Bombardier will cut them down to size in no time.

Location			HP		Strength			Defense			EXP
Olympus			60		19			9			12
Olympus (4 worlds cleared)			98		29			14			50
Olympus (6 worlds cleared)			128		36			18			106
Olympus (The Final World cleared)			160		44			22			186
Kingdom of Corona			98		29			14			50
Kingdom of Corona (4 worlds cleared)			114		33			16			74
Kingdom of Corona (6 worlds cleared)			144		40			20			142
Kingdom of Corona (The Final World cleared)			174		48			24			236
The Caribbean			174		48			24			236
The Caribbean (The Final World cleared)			198		54			27			322
The Caribbean (Battlegate 10)			274		73			37			706
Physical	Fire		Blizzard			Thunder				Water
×1.0	×0.5		×0.5			×1.0				×1.0
Aero		Dark		Neutral					Rapid-fire
×1.0		×1.0		×1.0					×1.0
Freeze		Electrify		Stun					Hunny
◯		◯		◯					◯
Reaction Endurance		Revenge Value		Attraction Magnification					Damage Limit
0		—		×1.1					—
Rewards
HP prize (5) ×2, Focus prize (5) ×1 Pulsing Shard (15%), Pulsing Stone (10%)
World(s)
Olympus, Kingdom of Corona, The Caribbean

Earth Core (Tower)
Japanese	アースコア(タワー)
Rōmaji	Āsu Koa (Tawā)
Type	Pureblood Heartless
Game	Kingdom Hearts III
Variations • Flame Core • Water Core

Earth Core (Tower)
Kingdom Hearts III
If you want to rock these baddies' world, aim for the face; their pointy posteriors will only deflect your blows. Physical attacks will pass through them when they sand-travel, but spells still hit home, so mash that magic! When they gather sand and grow enormous, a Goofy Bombardier will cut them down to size in no time.

Location			HP		Strength			Defense			EXP
Olympus			300		19			9			21
Olympus (4 worlds cleared)			490		29			14			88
Olympus (6 worlds cleared)			640		36			18			186
Olympus (The Final World cleared)			800		44			22			326
The Caribbean			870		48			24			413
The Caribbean (The Final World cleared)			990		54			27			564
The Caribbean (Battlegate 10)			1370		73			37			999
Physical	Fire		Blizzard			Thunder				Water
×1.0	×0.5		×0.5			×1.0				×1.0
Aero		Dark		Neutral					Rapid-fire
×1.0		×1.0		×1.0					×0.5
Freeze		Electrify		Stun					Hunny
✕		✕		◯					✕
Reaction Endurance		Revenge Value		Attraction Magnification					Damage Limit
15		—		×0.8					—
Rewards
HP prize (5) ×2, Focus prize (5) ×3 Hungry Shard (12%), Hungry Stone (4%)
World(s)
Olympus, The Caribbean

The Earth Core is a Pureblood Heartless that appears in Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage- and Kingdom Hearts III.

Design

Earth Cores appear as a Heartless resembling a hedgehog. Its body is round and oval shaped, with a pair of beady yellow eyes and a large purple jagged mouth as its face. It has several cracks in its body where its purple interior can be seen. Outside of its face, its entire body is covered with rocky spikes that extend outward. It has no limbs, instead using the spikes on its bottom to bounce around and swim through the ground.

Strategy

Kingdom Hearts III

The Earth Core does not generate earthy matter for its attacks. Its face is the only vulnerable spot on its body. Any attempts to attack elsewhere with Physical, Dark, or Neutral attacks are simply repelled unless the player uses a Formchange with the Guardbreaker ability; collision with this Heartless briefly stuns whoever it hits, leaving them vulnerable for additional damage. This can be avoided with a well-timed Guard, by dodging, or having Stun Protection active. Their Drill Attack will also break Sora's guard and trigger Risk Dodge. While using Drill Attack or Spin Liner, Earth Cores can only be damaged by Fire, Blizzard, and Thunder attacks.

In Kingdom Hearts III, Earth Cores have the ability to travel underground. While this leaves them invulnerable to physical attacks in this state, they are still vulnerable to magic and non-Physical type attacks. They can also transform into Towers, where they have more health and can spit boulders and charge at Sora. However, if Sora uses Goofy Bombardier (which has a 100% chance for Goofy to activate while an Earth Core Tower is present) while locked on to a Tower, Goofy will go inside the tower and destroy it instantly. While visiting Kingdom of Corona, Earth Cores will never transform into towers.

Earth Core

Technique		Element	Status	Power	Block?	Repel LV
Drill Attack (ドリルアタック, Doriru Atakku)		Physical	Stun (40%/6s)	1.5	◯ (Risk Dodge)	3
		Leaps and spins like a drill.
Spin Liner (スピンライナー, Supin Rainā)		Physical	Stun (25%/6s)	1.2	△	2
		Buries its head in the ground and moves around while spinning sideways.
Moving Sand (砂移動, Suna Idō)		Physical	—	1.0 per hit	△	—
		Turns into sand, circles around opponents at high speed and/or collides into them, then leaps out and bites at opponents.
Guard/Block: △ = Can be blocked; O = Can be blocked and interrupted (melee) or deflected back (projectile); X = Cannot be blocked.

Earth Core (Tower)

Technique		Element	Status	Power	Block?	Repel LV
Rock Spout (岩吐き出し, Iwa Hakidashi)	(headbutt)	Physical	—	1.5	△	2
	(rocks)	Physical	—	1.0 per hit	△	2
		Spits out five rocks from its mouth with lunging headbutts; the rocks fall in a parabolic pattern.
Sand Dive (砂もぐり, Suna Moguri)		Physical	—	2.0	△	—
		Dives underground and emerges from sandy soil nearby, launching opponents in its way.
Guard/Block: △ = Can be blocked; O = Can be blocked and interrupted (melee) or deflected back (projectile); X = Cannot be blocked.

Gallery

• 

  Earth Core in Kingdom Hearts 0.2 Birth by Sleep -A fragmentary passage.

• 

  Earth Core's sprite in Final Fantasy Brave Exvius.