Weapon Skills

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Weapon Skills
About | Raising Weapon Skills


Weapon skill.png
Weapon Skills are modifiers found on Rare and higher weapons. These skills give stat bonuses to certain types of characters, or provide other bonuses based on the skill.

Most weapon skills have 2 parts: the base skill, and the skill level. The base skill has a fixed effect, such as "% boost to allies' ATK," and the skill level amplifies the effect by increasing that base percentage. For weapons with maximum levels of 100 or lower, the maximum skill level is 10. For weapons with a final uncap, the maximum skill level is 15 after the uncap is performed. For most weapons, each skill level from 1-10 increases the base effect by 1%, while each skill level from 11-15 increases the base effect by less than 1%.

There are some skills that require the weapon to be a certain level. This naturally also requires the weapon to be uncapped enough for you to reach that level. Refer to individual weapon pages to determine if that weapon has such a skill. The skill level can be raised before that point. Likewise, certain skills will be upgraded/replaced by a stronger skill when the weapon reaches a certain level. The skill level will carry over in this case.

Each party uses 1 main weapon and up to 9 sub weapons. This is colloquially referred to as the "weapon grid." The main weapon dictates the element and charge attack of your main character, but weapon skills on all weapons in your grid are always active (apart from a few exceptions specifically stating so) and will strengthen all applicable characters in your party.

Weapon Skill Types[edit]

There are 3 weapon skill types:

  • FireAtkLarge.png Normal - Generally found on Draw and older event weapons.
  • MagnaWindAtkUp.png Omega - Mostly found on weapons named after the Omega raid bosses.
  • UnknownWaterAtkLarge.png EX - Also referred to as "Unknown" weapon skills. Found on collaboration and newer story event weapons. For high-level players, Xeno Weapons and Rose Crystal Weapons are also available. As of November 2016 with A Peace of the Pie, new story event weapons have EX weapon skills unlocked at level 100.

The three skill types modify their own multipliers and can be boosted by certain summons:

  • Normal skills are boosted by Premium Draw summons, specifically Agnis (fire), Varuna (water), Titan (earth), Zephyrus (wind), Zeus (light), and Hades (dark). These summons increase skill power by +80%, increasing to +120% at 3★
    • Does not apply to Bahamut Weapons despite them being considered Normal skills otherwise.
  • Omega skills are boosted by the element's respective Omega summon. Starts at +50%, increases to +100% at 3★
  • Mysterious skills, a type of EX skill from IDOLM@STER collab weapons, are boosted by the Ranko Kanzaki summon. Starts at 30%, increases to 50% at 3★, and increases to 66% at 4★

For more details on damage multipliers and team building strategy, see Damage Formula and Team Building.

Standard Weapon Skills[edit]

Attack Up[edit]

  • Skill Name: Might
  • Increases ATK by 0%/2%/5%/6%/8% (Small, Medium, Big, Big (Normal II), Massive). Each skill level increases the boost by 1% until level 10, and 0.4%/0.5%/0.6%/0.8%/1% after level 10.
  • Different skill types (normal, magna, ex) are additive within their type but multiplicative between types.
    See Damage Formula for details.
Normal
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small 1.0% 2.0% 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 10.4% 10.8% 11.2% 11.6% 12.0%
Medium 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 12.5% 13.0% 13.5% 14.0% 14.5%
Big 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 15.6% 16.2% 16.8% 17.4% 18.0%
Big II 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 16.0% 16.8% 17.6% 18.4% 19.2% 20.0%
Massive 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 16.0% 17.0% 18.0% 19.0% 20.8% 21.2% 22.0%
Magna
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Medium 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 12.5% 13.0% 13.5% 14.0% 14.5%
Big 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 15.6% 16.2% 16.8% 17.4% 18.0%
Ex
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small 1.0% 2.0% 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 10.4% 10.8% 11.2% 11.6% 12.0%
Medium 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 12.5% 13.0% 13.5% 14.0% 14.5%
Big 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 15.6% 16.2% 16.8% 17.4% 18.0%
Massive 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 16.0% 17.0% 18.0% 19.0% 20.0% 21.0% 22.0% 23.0%

Health Up[edit]

  • Skill Name: Aegis
  • Increases the health of characters of the skill's element. Normal HP effects are much more powerful (3%/6%/9%) than Omega and Unknown HP skills (1%/3%/6%).
  • The "Titan's Aegis" skill on the Broadsword of Earth is a flat +500 HP to all characters (+50 per skill level).
  • Unlike Attack Up skills Health Up skills are additive between Normal, Magna and Ex.
Normal
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 12.4% 12.8% 13.2% 13.6% 14.0%
Medium 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 15.4% 15.8% 16.2% 16.6% 17.0%
Big 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 16.0% 17.0% 18.0% 18.6% 19.2% 19.8% 20.4% 21.0%
Big II 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 16.0% 17.0% 18.0% 19.0% 20.0% 21.0% 22.0% 23.0% 24.0%
Magna / Ex
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small 1.0% 2.0% 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0%
Medium 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0%
Big 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0% 15.0% 15.6% 16.2% 16.8% 17.4% 18.0%

Critical[edit]

  • Skill Name: Verity
  • Chance to deal an additional 50% damage to weak elements.
  • There is a difference between how the game treats Normal weapons skills and Magna weapon skills.
  • Normal: Each weapon has an independent chance to activate a critical hit.
    • Bonus damage is calculated additively, so 3 standard critical activations in the same turn will result in 150% bonus damage.
  • Magna: Total critical chance% is additive from each weapon. Bonus damage is flat 50%.
Skill level 1 10 15 Bonus Damage
Small 1% 1.9% 2.4% 50%
MediumVerification needed.
These values were taken from gbf-wiki.com but differ from the values presented on the Proboards weapon skills guide
3% 5% 6.1%
Big 7%

Attack & HP Up[edit]

Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small 1.0% 2.0% 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 10.4% 10.8% 11.2% 11.6% 12.0%
Medium 3.0% 4.0% 5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0%

Attack Up & HP Down[edit]

  • Skill Name: Tyranny, Tyranny II
  • Appears on: Nalakuvara square.jpg Nalakuvara, Cortana square.jpg Cortana, Freikugel square.jpg Freikugel
  • Large/Massive Attack modifier, but reduces HP by 10%/20%

Double Attack & Critical[edit]

Attack Up & Critical[edit]

Counter[edit]

  • Skill Name: Clarity
  • Chance to evade an enemy's normal attack and counterattack.

Double Attack Up[edit]

  • Skill Name: Dual-Edge
  • Increases the rate of double attacks.

Multi-attack Up[edit]

  • Skill Name: Trium
  • Increases the rate of double and triple attacks.
  • Capped at 50% for weapon skills of the same category.
  • Possible to hit 100% by combining different categories of trium:
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small 0.4% 0.6% 0.8% 1.0% 1.2% 1.4% 1.6% 1.8% 2.0% 2.2% 2.4% 2.6% 2.8% 3.0% 3.2%
Medium 0.7% 1.0% 1.3% 1.6% 1.9% 2.2% 2.5% 2.8% 3.1% 3.4% 3.7% 4.0% 4.3% 4.6%
5.0%Verification needed.
gbf-wiki says 5.0%; Expected value is 4.9% but is 5.0% as per Great Sundome blog
Big 1.0% 1.4% 1.8% 2.2% 2.6% 3.0% 3.4% 3.8% 4.2% 4.6% 5.0% 5.4% 5.8% 6.2%
7.0%Verification needed.
Expected value is 6.6% but actual testing shows 7.0% as per Great Sundome blog

Healing Cap Up[edit]

  • Skill Name: Healing
  • Increases the maximum amount that can be healed per skill.
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small[1] 1.0% 1.5% 2.0% 2.4% 2.8% 3.2% 3.6% 4.0% 4.5% 5.0%
Medium 3.0% 5.0%
Big 5.0% 5.5% 6.0% 6.5% 7.0% 7.5% 8.0% 8.5% 9.0% 10.0% 11.2%

C.A. DMG Up[edit]

  • Skill Name: Mystery
  • Increases the damage of Charge Attacks but not the Charge Attack cap.
Skill level 1 2 3 4 5 6 7 8 9 10
Small[1] 0.5% 1.0% 1.5% 2.0% 2.5% 3.0% 3.5% 4.0% 4.5% 5.0%
Medium[2] 2.5% 3.0% 3.5% 4.0% 4.5% 5.0% 5.5% 6.0% 6.5% 7.0%

ATK Up for 3 turns[edit]

  • Skill Name: Betrayal / Preemptive Blade
  • Increases ATK only for the first 3 turns. You gain a
    Status AttackUp.pngATK UpATK is boosted

    Duration: 3 turns
    for 3 turns.
Skill level 1 2 3 4 5 6 7 8 9 10
BetrayalCan be boosted by summon auras
[3]
3.0% 3.0% 4.0% 4.0% 5.0% 5.0% 6.0% 6.0% 7.0% 8.0%
Preemptive Blade Cannot be boosted by summon auras
[3]
5.0% 6.0% 7.0% 8.0% 9.0% 10.0% 11.0% 12.0% 13.0% 14.0%

ATK up as HP increases[edit]

  • Alternate Term: Frontwater
  • Skill Name: Stamina
  • Damage increases as HP increases. Unlike Enmity, the damage bonus will not fall below a certain value even if the percentage of HP goes lower.

ATK Up as HP lowers[edit]

  • Alternate Term: Backwater, Last Stand
  • Skill Name: Enmity
  • Enmity increases Attack in proportion to the percentage of missing HP.
Skill level 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Small 0.5% 1.1 1.7% 2.3% 2.9% 3.5% 4.09% 4.7% 5.3% 6.0% 6.2% 6.4% 6.6% 6.8% 7.0%
Medium 0.66% 1.46% 2.26% 3.06% 3.86% 4.66% 5.46% 6.26% 7.06% 8.0% 8.4% 8.79% 9.2% 9.6% 10.0%
Big 0.83% 1.83% 2.83% 3.83% 4.83% 5.83% 6.83% 7.83% 8.83% 10.0% 10.5% 11.0% 11.5% 12.0% 12.5%

Formula for calculating Enmity:

HP Ratio = 1 - (Current HP / Max HP)
Modifier * ((1 + 2 * HP Ratio) * HP Ratio)

Example 1:

7% * ((1 + 2 * 50%) * 50%) = 7%

Example 2:

7% * ((1 + 2 * 100%) * 100%) = 21%
Sample table
HP Small Medium Large
SL10 SL15 SL10 SL15 SL10 SL15
100% 0% 0% 0% 0% 0% 0%
95% 0.33% 0.39% 0.44% 0.55% 0.55% 0.69%
90% 0.72% 0.84% 0.96% 1.2% 1.2% 1.5%
85% 1.17% 1.37% 1.56% 1.95% 1.95% 2.44%
80% 1.68% 1.96% 2.24% 2.8% 2.8% 3.5%
75% 2.25% 2.63% 3% 3.75% 3.75% 4.69%
70% 2.88% 3.36% 3.84% 4.8% 4.8% 6%
65% 3.57% 4.17% 4.76% 5.95% 5.95% 7.44%
60% 4.32% 5.04% 5.76% 7.2% 7.2% 9%
55% 5.13% 5.99% 6.84% 8.55% 8.55% 10.69%
50% 6% 7% 8% 10% 10% 12.5%
45% 6.93% 8.09% 9.24% 11.55% 11.55% 14.44%
40% 7.92% 9.24% 10.56% 13.2% 13.2% 16.5%
35% 8.97% 10.47% 11.96% 14.95% 14.95% 18.69%
30% 10.08% 11.76% 13.44% 16.8% 16.8% 21%
25% 11.25% 13.13% 15% 18.75% 18.75% 23.44%
20% 12.48% 14.56% 16.64% 20.8% 20.8% 26%
15% 13.77% 16.07% 18.36% 22.95% 22.95% 28.69%
10% 15.12% 17.64% 20.16% 25.2% 25.2% 31.5%
5% 16.53% 19.29% 22.04% 27.55% 27.55% 34.44%
1HP 18% 21% 24% 30% 30% 37.5%

DEF Up as HP lowers[edit]

  • Skill Name: Garrison
  • Defense increases as HP decreases. See Damage Formula for how DEF influences DMG received.
  • Only values at SL10 are given.
  • These values are obtained with the MC having +13% DEF through Job Master Bonuses and as such are not as reliable when you do not have all Job Master bonuses or for non-MC characters.
DEF Up Current HP percentage
100% 50% 30% 15% 1%
Large SL10[4] 0.00% 18.08% 24.55% 27.78% 29.11%

Unique Weapon Skills[edit]

Skills that only appear on special weapons.

  • Honor Up
    • Appears on: Flohrenberk square.jpg Flohrenberk (Level 100 only)
    • Honor applied towards event rewards is increased by 10%.
  • Auto Attack Up
    • Skill Name: [Element]'s Betrayal
    • Appears on: Nalakuvara square.jpg Nalakuvara
    • All characters of the same element begin the battle with an attack buff for 3 turns.
  • Auto Defense Up
    • Skill Name: Preemptive [Element] Wall
    • Appears on: Lohengrin square.jpg Lohengrin, Broadsword of Earth square.jpg Broadsword of Earth, Gae Derg square.jpg Gae Derg
    • All of the characters of the same element begin the battle with a defense buff for 5 turns.
  • Boosted cut to overdrive gauge
    • Skill Name: Mad Alveolar
    • Appears on: Way Flyer square.jpg Way Flyer
    • Increased cut to an enemy's mode bar if in overdrive.
  • Bonus fire DMG
  • Multiattack Rate Up
  • DMG Up
    • Skill Name: Blessing
    • Appears on: Seraphic Weapons
    • Boost to element allies' damage against weak element enemies (also increases the damage cap by the same amount).
Blessing I boosts final damage by 10%.
Blessing II boosts final damage by 20%.
  • Lessen weakness DMG
    • Skill Name: Bud
    • Appears on: Rose Crystal Weapons
    • Reduces damage taken from specified element, 3% reduction per skill level.
  • Starting Shield
    • Skill Name: Preemptive [Element] Barrier
    • Appears on:Obscuritas square.jpg Obscuritas, Verona Bow square.jpg Verona Bow, and others
    • Gives all allies of the same element a
      Status Shield.pngShieldNext ATK received will be ineffective for a fixed amount

      Strength: 300 at SL1 +75 per SLV
      Duration: Until used
      at the start of the battle.

Cosmos Weapon Skills[edit]

Cosmos weapons have two skills, depending on their weapon type and class type.

  • The first skill boosts the stats of all weapons of the same type by 30%. This stacks additively with the 20% bonus for preferred weapons.
  • The second skill gives an effect to all characters that match its class type:
    • Label Type Attack.png characters have increased Attack but lowered max HP.
    • Label Type Defense.png characters have increased Defense and max HP.
    • Label Type Heal.png characters have improved healing and gain
      Status Heal.pngRefreshHP is restored on every turn
      .
    • Label Type Balance.png characters have increased Defense and Double Attack Rate.
    • Label Type Special.png characters have increased Debuff Resistance and Debuff Success Rate.

References[edit]

  1. 1.0 1.1 zekasyuz https://twitter.com/zekasyuz/status/914148563185131520
  2. zekasyuz 4 https://twitter.com/zekasyuz/status/931568509817044993
  3. 3.0 3.1 zekasyuz 2 https://twitter.com/zekasyuz/status/918265664611086336
  4. zekasyuz 3 https://twitter.com/zekasyuz/status/779863993426989056