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Rockfall Psynergy series

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Avalanche being cast in Dark Dawn

Rockfall (ませきがん, Demonback Spire), Rockslide (ませきしょう, Demonback Climate), and Avalanche (ませきりゅう, Demonback Current) are a series of Venus Psynergies featured throughout the Golden Sun series. Prior to Golden Sun: Dark Dawn, the series shared visuals with the Gaia Psynergy series.

Basic Description[edit]

Rockfall, Rockslide, and Avalanche are offensive, ranged Psynergies. The overall power of each stage is determined by comparing the user's Venus Power and the target's Venus Resistance, and multiplying the resultant ratio by the base power of the Psynergy being used.

Star venus.gif Venus 5 PP
Range 3.gif
"Attack with a blast of rocks" (GS-TLA)
"Strike with a blast of rock." (DD-present)
Strikes up to 3 enemies with a base power of 30.
Star venus.gif Venus 15 PP
Range 5.gif
"Attack with a blast of rocks" (GS-TLA)
"Strike with a deluge of rock." (DD-present)
Strikes up to 5 enemies with a base power of 90.
Star venus.gif Venus 30 PP
Range 5.gif
"Attack with a blast of rocks" (GS-TLA)
"Strike with an overwhelming flood of rock." (DD-present)
Strikes up to seven enemies with a base power of 160.

In Golden Sun and Golden Sun: The Lost Age, the Rockfall series shared visuals with the Gaia series. Visually, the Rockfall series featured the ground opening up beneath the targets, with a reverse shower of Venus energy and rocks engulfing the targets. The reverse shower increases in size with each successive stage. In Dark Dawn, the caster stabs their weapon into the ground, causing the earth to open up underneath the targets. The targets are then hit with a reverse shower of rocks and energy; the reverse shower is still similar in nature to Gaia, but is differentiated by darker-colored energy.

Damage Calculation[edit]

Elemental Power attacks such as Rockfall, Rockslide, and Avalanche use a set base power as the base damage to be modified. For example, the base power of Avalanche is 160. Thus an unmodified Avalanche would deal around 160 points of damage.

Avalanche's attack takes this base damage value and uses it in the following equation:

final damage = (base damage) * (1 + (User's Venus Power - Enemy's Venus Resistance) / 200)

To word this in prose, Rockfall, Rockslide, and Avalanche take the base damage of the particular attack, and then modifies this by how much higher or lower the user's Venus Power is than the target's Venus Resistance. The difference between the user's Venus Power and the user's Venus Resistance is then divided by 200, then 1 is added to this, resulting in what can be called the "elemental damage multiplier". This number is what the Psynergies' damage is multiplied by.

Avalanche being cast in the GBA games. Note the animation's similarity to Grand Gaia.

For example, if an Adept with a Venus Power of 150 casts Avalanche on a monster with a Venus Resistance of 50:

  • damage = (base damage) * (1 + (Power - Resistance) / 200)
  • damage = (160) * (1 + (150 - 50) / 200)
  • damage = (160) * (1 + 100 / 200)
  • damage = (160) * (1 + 0.5)
  • damage = 160 * 1.50
  • damage = 240

Therefore, an Avalanche cast under these circumstances would deal approximately 240 points of damage to the main target. Since Avalanche is a ranged Psynergy, adjacent targets would take a percentage of the total damage, with the percentage decreasing as the distance from the main target increases.


The Rockfall series is unique to the Samurai class series, available to Venus and Mars Adepts. Access to the class requires Jupiter Djinn and Djinn of the element symbiotic to the Adept's own element. Rockfall is learned at Level 6, while Rockslide is learned at Level 24. Avalanche is learned at Level 54.


General: The Rockslide series is a variation of the Gaia series. While the Gaia series is more powerful due to higher base power and there inherently higher Venus Power of its wielders, its high PP cost can strain the user's PP pool. In contrast, the Rockslide series is weaker, both in base power and potential Venus Power, yet is cheaper; combined with the Samurai's higher PP pool, the caster can get more uses of the Rockslide series. However, the Rockslide series does compete with the Samurai's Demon Night duo, which has great power, less PP, but a smaller range.


  • The Gaia Psynergy series and the Rockfall Psynergy series are learned at the same levels, with the exception of Rockfall, which is learned at level 6 while Gaia is learned at level 7. In addition, Avalanche and Grand Gaia share the distinction of being the Psynergies learned at the latest level.
  • Despite the names of each stage implying a downward shower of rocks, the series's visuals have consistently depicted an upward shower.
Venus Psynergy in Golden Sun and The Lost Age
Elemental Base Damage Bramble CardDemon Night / Thorny GraveGaia seriesGrowth seriesPunji seriesQuake seriesRockfall seriesSpire seriesThorn series
Elemental Phys. Attack AnnihilationCall DemonDinoxGrand GolemHelm Splitter / Skull SplitterLiving ArmorMinotaurusRagnarok / OdysseySabre DanceTroll
Support CondemnCure seriesCurseDeath CardFire PuppetHauntLichRevive
Utility CarryCatchGrindGrowthRetreatSandScoopTremor
Venus Psynergy in Dark Dawn
Elemental Base Damage Demon Night / Thorny GraveGaia seriesGrowth seriesPunji seriesQuake seriesRoaring Dragon seriesRockfall seriesSpire seriesThorn seriesToxic GritUndead Curse series
Elemental Phys. Attack AnnihilationHelm Splitter / Skull SplitterRagnarok / OdysseyPsynergy SlamPsynergy Surge
Support CondemnCure seriesCurseFear PuppetHauntReviveWeapon Grace
Utility GripGrowthMoveRetreatSearch