Infernal Engine
Japanese	デモンズフォートレス
Rōmaji	Demonzu Fōtoresu
Translation	Demon's Fortress
Type	Emblem Heartless
Game	Kingdom Hearts 358/2 Days
KHD tracks Battle theme - Vim and Vigor

Infernal Engine
Kingdom Hearts 358/2 Days
The cannonballs this heavy tank Heartless fires can be returned with a block to take out the archers perched atop it. The battering ram that emerges from its mouth before it charges is especially weak. Capitalize on that vulnerability, but be sure to get out of there before it begins its advance.

Mission	HP				EXP		STR/DEF
	International		Japanese
50	2400		3000		121		39
Fire		Blizzard		Thunder			Aero
x0.59		x0.45		x0.16			x0.49
Ignite		Freeze		Jolt			Air-Toss
x0		x0		x0			x0
Defense Power Adjustment					Heart Points
• Body: 4.50 • Protrusion: 0.60					96
					Flinch?		Bloom-Out?
					X		X
Rewards
Missions 36-50 —
World(s)
Beast's Castle

Mission	HP			EXP			STR/DEF
50	3864			121			57
50SP	5160			121			84
Fire		Blizzard		Thunder			Aero
x0.59		x0.45		x0.16			x0.49
Ignite		Freeze		Jolt			Air-Toss
x0		x0		x0			x0
Defense Power Adjustment					Heart Points
• Body: 4.50 • Protrusion: 0.60					96
					Flinch?		Bloom-Out?
					X		X
Rewards
Missions 36-50 —
World(s)
Beast's Castle

Mission	HP			EXP			STR/DEF
50	9000			121			39
Fire		Blizzard		Thunder			Aero
x0.59		x0.45		x0.16			x0.49
Ignite		Freeze		Jolt			Air-Toss
x0		x0		x0			x0
Defense Power Adjustment					Heart Points
• Body: 4.50 • Protrusion: 0.60					96
					Flinch?		Bloom-Out?
					X		X
Rewards
Missions 36-50 —
World(s)
Beast's Castle

The Infernal Engine is an Emblem Heartless that is found in Kingdom Hearts 358/2 Days. It is one of the bosses at Beast's Castle.

Story

Kingdom Hearts 358/2 Days

The Infernal Engine attacks Beast's Castle from the bridge. Beast attempts to stop it, but is knocked over the gate and rendered unconscious. Roxas steps in to destroy it, completing his mission.

Design

The Infernal Engine is a large, box-shaped, apparently mechanical and vehicular Heartless with four black wheels, two on either side of its body. It appears to be predominantly made of wood. Its face takes up its entire front side, with a large, red, jagged mouth with yellow "lips" on its lower half, and a black "forehead" with silver, metal additives on it. Its eyes are a glowing yellow color and its Heartless emblem is in the middle of its face. There is a wooden guardrail on its top decorated by yellow and red patterns as well as four white spikes. The Infernal Engine is able to release a battering ram, cannon, hammer, and boxes from its mouth.

Riding atop of the Infernal Engine are several smaller Heartless, referred to as "archers" in the Journal. Each of these Heartless wear silver armor, including a bullet-shaped helmet with an opening for their black faces and glowing yellow eyes. All of their helmets sport two short spikes and a curled, black antenna, and they do not seem to have legs, instead balancing on a spike. They wield large, indigo weapons that fire projectiles and each sports a Heartless emblem emblazoned on their chests.

The Infernal Engine's Japanese name, "Demon's Fortress", reflects its massive, sturdy construct and the way the archers use it as a "fortress" of sorts. This name and the Infernal Engine's behavior are also reminiscent of the Demon Wall enemy from the Final Fantasy series. Its English name has the same root, as infernal can mean "relating to hell", and "Engine" is a reference to its mechanical nature and its use as a vehicle by the smaller Heartless archers. It may be a reference to another Final Fantasy enemy, the Doomtrain.

Strategy

The battle with the Infernal Engine can be quite difficult. When the three lesser Heartless drive the main boss, they can allow it to perform a variety of attacks. These all appear rapidly, and the flurry of moves can only be slowed by defeating the three lesser creatures. When the smaller Heartless are in control, the Infernal Engine will use its normal attack set.

When the archers have been destroyed, the Infernal Engine will spit out boxes containing Soldier Heartless until they have returned. Just ignore them and keep hitting the Infernal Engine with aerial combos. The Soldiers will eventually disappear. The three archers will respawn in a short time. Utilize the Limit Break, should Roxas hit low HP and remember to heal periodically.

For the Infernal Engine's attacks, dodge roll to escape the radius of the bow attack, guard or dodge out of the way of the bombs, stay close to avoid getting hit by the hammer, block the cannon's fireballs to use them against the Heartless, and retreat to escape the battering ram assault.

A useful tactic to defeat the Infernal Engine is to eliminate all but one of the archers. Reflect cannonballs using Block until two archers have been defeated, then dodge the rest of the shots. This will ease the process of dodging the archers' shots while avoiding the Engine's diverse arsenal of attacks.

The battering ram is the Infernal Engine's weak point. Capitalize on this weakness whenever the Engine begins to charge the battering ram. Land as many combos as possible, then move away to avoid being trampled.

Technique		Element	Status	Power	Block?
Bow Attack (弓攻撃, Yumi Kōgeki)		Lightning	Jolt (20%)	0.20	X
		The Infernal Engine's Archer shoots an arrow, creating a homing marker over the target where the arrow then lands shortly after.
Giant Rolling Bombs (巨大爆弾転がし, Kyodai Bakudan Korogashi)		Fire	Ignite (2%)	1.36	△
		Rolls a total of 9 large bombs across a wide area.
Cannon (大砲, Taihō)		Fire	Ignite (10%)	0.90	◯
		Pulls out a large cannon and shoots fireballs in front of itself. Blocking the fireballs causes them to reflect back at the Infernal Engine, causing one of the Archers to be destroyed.
Hammer Attack (ハンマー攻撃, Hanmā Kōgeki)		—	—	1.30	◯
		Pulls out a large hammer and creates shock waves as it swings it down.
Assault (突撃, Totsugeki)	(body)	—	—	1.98	X
	(protrude)	—	—	3.42	X
		Spews a battering ram and thrusts forward after filling with energy.
Guard/Block: △ = Can be blocked; O = Can be blocked and interrupted (melee) or deflected back (projectile); X = Cannot be blocked.

Gallery

• 

  The Infernal Engine's archer Heartless.

Video

• Emblem Heartless
• Kingdom Hearts 358/2 Days bosses