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Upheaval (Japanese: メガクェイク Megaquake) is a rarely-occurring offensive spell, or possibly a random chance event, in Fire Emblem Gaiden. It is one of Gaiden's more obscure features. Known occurrences of this spell are when fighting on the same maps as Duma and Jamil, and these units can be seen performing it. It also does not appear in any unit's spell list.
The spell rarely occurs at all, this leads to many people playing through Gaiden in its entirety and never encountering it, increasing its obscurity. In Gaiden, when used, the following text appears:
This translates to:
O, Holy Spirit of the Earth! Respond to my call!!
The enemy chanted Megaquake!!
Upheaval returns in Gaiden's remake, Echoes: Shadows of Valentia, this time as a defined personal skill listed in Jamil and Duma's skill lists. When used, every member of the player's party takes a different, random amount of damage, between 8 and 18 HP. The player is also alerted to an impending use of Upheaval by its user becoming surrounded by a dark aura at the beginning of the player phase, before unleashing Upheaval at the beginning of the enemy phase. Unlike most offensive skills in Shadows of Valentia, Upheaval does not consume any of its user's HP. In this game, the incantation was localized as:
Spirits of the Earth, heed my call!
Upheaval returns once more in Heroes as one of Duma's personal skills.
In Fire Emblem: Three Houses, Upheaval returns as a dark magic spell, here known as Quake Σ (Japanese: メガクエイクΣ Megaquake Σ). It is an exceedingly rare spell that affects the entire map, and it is exclusively wielded by the Agarthan leader, Thales.
In the main Fire Emblem series
|Game||Icon||Level||Might||Weight||Hit||Crit||Range||Uses||Worth||Exp||Other effects and notes|
|Gaiden||--||--||≥10*||??||??||??||All||--||??||--||Does not appear in any spell lists, but occurs when fighting on the same map as Duma or Jamil. Cannot kill units.|
Damage formula: [(random number between 0~20) + 10] - (target's Luck ÷ 2)
Deals a minimum of 10 damage.
|Echoes: Shadows of Valentia||--||8-18||--||--||--||All||--||--||--||Upon use, user charges up spell and cannot act again during turn. User will unleash the attack the following turn, and cannot to act again on this turn.|
Cannot kill units.
|Three Houses||B||8||20||50||0||All||1||--||?||Does not affect flying units.|
In other Fire Emblem series titles
|Heroes||Deals 7 damage to all enemy units at the start of user's first phase.
During a defensive Aether Raids battle during anima season, destroys any offensive structure in the same column as user's initial position.
|--||--||Cost: 300 SP|
Echoes: Shadows of Valentia
|Unobtainable||Enemy only, known by Jamil and Duma.|
|Unobtainable||Exclusively used by Thales as the boss of Silver Snow Chapter 20/Verdant Wind Chapter 21.|
|Units||Duma: God of Strength|
Etymology and other languages
|Names, etymology and in other regions|
|Language||Name||Definition, etymology and notes|
• Quake Σ
|• This name is used in Echoes: Shadows of Valentia and Heroes.|
• This name is used in Three Houses. Dark magic in Three Houses is denoted with a Greek letter; in this case, Sigma.
|Megaquake||Used in the Fire Emblem Gaiden fan translation.|
• メガクェイク Σ
|• Megaquake; used in Gaiden and Echoes: Shadows of Valentia.|
• Megaquake Σ; used in Three Houses.
• Terremoto Σ
|• Turbulence; used in Echoes: Shadows of Valentia.|
• Earthquake Σ; used in Three Houses.
• Séisme Σ
|• Earthquake; used in Echoes: Shadows of Valentia.|
• Earthquake Σ; used in Three Houses.
|German||Beben Σ||Quake Σ; used in Three Houses.|
|Italian||Sisma Σ||Quake Σ; used in Three Houses.|
|Korean||메가퀘이크Σ||Megaquake Σ; used in Three Houses.|
|Simplified Chinese||巨型地震Σ||Giant earthquake Σ; used in Three Houses.|
|Traditional Chinese||巨型地震Σ||Giant earthquake Σ; used in Three Houses.|
Upheaval occurring in Gaiden.
- Geosphere, an item from Shadow Dragon & the Blade of Light and its remakes with a similar effect.
|Passive skills in Heroes|
|Weapons in Fire Emblem: Three Houses|