This article applies only to the boss from Ar tonelico II: Melody of Metafalica. For information on the entities that protect the Cosmospheres of the Reyvateils, check the Mind Guardian article. For Luca's Mind Guardian, please check the Goro article.

Ar tonelico II: Melody of Metafalica Boss
Mind Guardian
心の守護神 (Mind Avatar) (kokoro no shugojin)
Mind Guardian (Luca)
Level HP
-- 9000
Attack Defense Speed
210 168 87
Fire Element Ice Element Wind Element Thunder Element
30 30 25 50
Pain Resistance Sickness Resistance Virus Resistance Sealed Resistance
Immune Immune Immune Immune
Stun Resistance Instant Death Resistance
Immune Immune
EXP Leaf
675 1500
Location Imperial (Luca Route only)
Class Boss
Abilities Attack

Unchained Bolt
Summon Lightning
Shackling Light
Mind Sleep

Rare Drop D-Crystal: Guard X
Semirare Drop D-Crystal: God Z
Normal Drop D-Crystal: RuinPower GA
DescriptionThis guarded the Heart of the Land in the core of Gaea. It looked like Luca was locked in a cage, but it seems that actually she wasn't willing to come out.

This monster is a physical manifestation of the shell protecting the Heart of the Land at the center of Gaea, which came into being when Jacqli began singing EXEC_SPHILIA/. to converse with Luca's heart, thus making the party unknowingly fight against it in her behalf.

The Mind Guardian can be a very problematic monster if the player isn't good at guarding, so it's advised to go in well stocked in items. Its attacks are a simple physical attack that hits a character three times; Unchained Bolt, which hits all party members twice and inflicts the Pain status; Summon Lightning; which hits all party members four times and causes Stun; Shackling Light, which hits all party members twice; and finally, the most annoying of its skills: Mind Sleep, which reduces the Burst Gauge to 0% and nullifies all evolutions the current Song Magic has undergone.

While it's possible to use Song Magic against it, the player should keep on mind that it isn't reliable at all due to Mind Sleep, as its an attack against which there is no possible defense and that will throw to waste all their efforts in charging Song Magic and evolving it, so it would be a good idea to let it charge for a bit to then release it, particularly for the best Songs each Reyvateil has at this point, which are Thorn Princess and Pepen. Replekia could also be used, but given the problems caused by Mind Sleep, it isn't really advisable.

This boss is identical to the Mind Guardian (Cloche) boss, the only differences between being the route in which they appear and their respective sprites.

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