Ar tonelico?

Ar tonelico?
Information
Name in Kanji/Kana (Original)	アルトネリコ？ (Ar tonelico?)
Romaji (Original)	Arutoneriko?
Class	Usable [Attack]
Description	The "?" in the name hints that we are unsure if this is really an Ar Tonelico. What the hell is it then?
Effect	Causes extreme amounts of physical damage to all enemies and allies, excepting the allied Reyvateils.
Recrystallizes Into	Rank S: Almighty Power Rank A: Eternal Echo Rank B: Special Grade Rank C: All Resists Boost
Ingredients	DH Altered Grathnode Disc Symphonic Reactor Ardel Crystal Harmonizer
Selling Price	1000

Trivia

While there is the misconception between some players that using this item causes an instant Game Over, the fact is that a strong enough party can survive the blast, although they would be left with little HP and could be easily killed if the enemy survived the explosion as well.