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Overview

Magic Accuracy denotes the likelihood of a spell casting on a target not being Resisted. Similar to a physical attack, status effect magic attacks can miss and result in a full resist of the spell. Elemental magic attacks are different as the target would still take damage but the damage dealt would be, at the highest level of resistance, substantially smaller than normal. See the Resistance page for more information.

Raising Magic Accuracy directly increases the chance that a spell will land on the target without resistance. However, the potency of the spell (e.g. the potency of paralyze or duration of another status effect spell) is not affected by simply raising Magic Accuracy. Attributes such as INT and MND raise the potency of their corresponding spells. It has been proven that one point of skill in the appropriate magic skill (e.g. Elemental Magic, Enfeebling Magic, ...) corresponds to one point of Magic Accuracy, and not .9.

The Tests done by Lodeguy Original Japanese page English version show that 1 magic accuracy = 0.5% magic hit rate below 50% hit rate, 1.0% increase after 50% magic hit rate.

It also shows that INT = 1 magic accuracy until total INT is > (targetINT + 10). Each additional point of INT after that gives 0.5 magic accuracy. It is unknown if any amount of stats after that limit can give 0.5 magic accuracy. It is assumed the same goes for MND vs TargetMND and CHR vs TargetCHR.

Total Magic accuracy

  • When calculating the landing rate of a spell (without considering partial resists, see Magic Hit Rate), the game first calculates your total amount of magic accuracy :
M=Magic skill + M1 + M2
Where M2 is your total magic accuracy from gear/merits and M1 is the contribution of your stats to magic accuracy :
δstat=(caster's stat)-(target's stat) M1
δstat ≤ 10 M1 = δstat
δstat≥10 M1=10+(δstat-10)/2
  • For elemental magic, and BLM enfeebling spells (sleep, poison, etc) M1 is determined by checking the INT of the caster and the target. For whm nukes and enfeebling spells, MND is considered.
It is unknown if gravity is checked against the target's AGI or INT.
Complete tests and data for the total magic accuracy formula and Magic Hit Rate can be found here [Openoffice doc](http://rapidshare.com/files/320891736/magic_ac_bis_.ods.html) with the graphical summary here http://wiki.ffxiclopedia.org/wiki/File:Stone-QQP.jpg

Elemental staves

  • NQ, HQ and some magian Elemental Staves grant magic affinity. Each point of affinity grants magic accuracy according to the formula (10 + NUMBER*10).
    • NQ staves have a hidden effect of (element) Magic Affinity : Magic Accuracy +1, and thus give 20 magic accuracy.
    • HQ staves have a hidden effect of (element) Magic Affinity : Magic Accuracy +2, and thus give 30 magic accuracy.
    • Magian trial staves have augments of (element) Magic Affinity : Magic Accuracy +1/+2/+3/+4, and thus give +20/+30/+40/+50 magic accuracy.

For example: HQ Elemental Staves with their +30 magic accuracy and depending on your total magic accuracy M, can give any value between 15% and 30% landing rate, not counting the other sources of magic accuracy given by the various stats on them(INT+5 for Aquillo's staff for exemple).

example 1 : if my landing rate on thunder IV is 47% without Jupiter's staff it will be 74% when I equip it (+27%)
example 2 : if my landing rate on thunder IV is 41% without Jupiter's staff it will be 62% when I equip it (+21%)
  • When Nuking with ice spells, while being under Aquilo's Staff's INT+10, gives 45 magic accuracy (30 + 10 elemental skill+ 5 INT).

Beware that magic affinity LOWERS magic accuracy (and magic damage bonus) by the same amount for the element weak to the staff.

Equipment that modifies Magic Accuracy

Name Lvl Slot Effects Jobs
Chocobo Shirt 1 Body Magic Accuracy +50 (Must be level 30 or lower) All
Astaroth Cane 27 Weapon Magic Accuracy +3 WAR/MNK/WHM/BLM/RDM/BST/BRD/SMN/SCH
Sturm's Report 60 Ammo Magic Accuracy +2 Campaign:+15 All
Macha's Crown 35 Head Magic Accuracy +1 BLM/RDM/BLU
Sennight Bangles 36 Hands Weekday: Magic Accuracy +1 All
Balrahn's Ring 50 Ring Magic Accuracy +4 All
Storm Zucchetto 50 Head Magic Accuracy +2 All
Gramary Cape 50 Back Magic Accuracy +1 WHM/BLM/RDM/BRD/RNG/NIN/SMN/BLU/PUP/SCH
Bitter Corset 60 Waist Magic Accuracy -1 WHM/BLM/RDM/BRD/SMN
Diana Corona 64 Head Magic Accuracy +4 MNK/WHM/RDM/THF/PLD/BST/BRD/DRG/SMN/BLU/COR/PUP/DNC
Diabolos's Earring 65 Ear Dark Weather: Magic Accuracy +2 All
Lieutenant's Gorget 65 Neck Magic Accuracy +2 All
Cobra Unit Robe Set 68 Set Set: Magic Accuracy +4 (+1 per additional pieceExclamation) WHM/BLM/RDM/BRD/SMN/BLU/PUP/SCH
Clearpath 69 Club Magic Accuracy +5 WHM/PLD/SCH
Harpy Shield 69 Shield Magic Accuracy +3 WHM/BLM/RDM/SMN/BLU/SCH
Abyss Cape 70 Back Magic Accuracy +7 DRK
Argute Belt 70 Waist Magic Accuracy +2 SCH
Carline Ribbon 70 Head Magic Accuracy +4 WHM/BLM/RDM/BRD/SMN/BLU
Gloom Claymore 70 Great Sword Magic Accuracy +2 DRK
Insect Ring 70 Ring Magic Accuracy +2 All
Koga Sarashi 70 Waist Magic Accuracy +2 NIN
Mercenary's Trousers 70 Legs Besieged: Magic Accuracy +10 WHM/BLM/RDM/BRD/SMN/BLU/PUP
Mirage Mantle 70 Back Magic Accuracy +3 BLU
Fire Grip 70 Grip Fire Elemental Magic Accuracy +2 All
Ice Grip 70 Grip Ice Elemental Magic Accuracy +2 All
Wind Grip 70 Grip Wind Elemental Magic Accuracy +2 All
Earth Grip 70 Grip Earth Elemental Magic Accuracy +2 All
Thunder Grip 70 Grip Thunder Elemental Magic Accuracy +2 All
Water Grip 70 Grip Water Elemental Magic Accuracy +2 All
Light Grip 70 Grip Light Elemental Magic Accuracy +2 All
Dark Grip 70 Grip Dark Elemental Magic Accuracy +2 All
Corselet 71 Body Magic Accuracy +7 PLD/DRK
Corselet +1 71 Body Magic Accuracy +9 PLD/DRK
Pantin Churidars 71 Legs Automaton: Magic Accuracy +5 PUP
Ree's Headgear 71 Head Magic Accuracy +2 All
Witch Sash 71 Waist Magic Accuracy +2 WHM/BLM/RDM
Antares 72 Club Magic Accuracy +10 WHM/BLM/RDM/BRD/SMN/SCH
Chasuble 72 Body Magic Accuracy +5 RDM
Chasuble +1 72 Body Magic Accuracy +6 RDM
Mirage Shalwar 72 Legs Magic Accuracy +3 BLU
Oracle's Robe 72 Body Magic Accuracy +6 WHM/BLM/BRD/SMN
Lycopodium Earring 72 Ear Magic Accuracy +1 All
Wise Braconi 72 Legs Magic Accuracy +2 RDM
Wise Braconi +1 72 Legs Magic Accuracy +3 RDM
Wise Cap 72 Head Magic Accuracy +5 RDM
Wise Cap +1 72 Head Magic Accuracy +6 RDM
Alkalurops 73 Staff Magic Accuracy +20 WHM/BLM/RDM/BRD/SMN/SCH
Hirenjaku 73 Katana Magic Accuracy +2 NIN
Hirenjaku +1 73 Katana Magic Accuracy +3 NIN
Tojaku 73 Katana Magic Accuracy +2 NIN
Orichalcum Scythe 73 Scythe Magic Accuracy +2 DRK
Triton's Scythe 73 Scythe Magic Accuracy +3 DRK
Blizzard Scythe 73 Scythe Magic Accuracy +2 DRK
Fragarach 74 Sword Magic Accuracy +2 WAR/PLD/DRK/BLU
Ixion Cloak 74 Body Magic Accuracy +5 WHM/BLM/RDM/BRD/SMN/BLU/PUP/SCH
Naglering 74 Great Sword Magic Accuracy +3 DRK
Aureole 75 Ranged Magic Accuracy +8 All
Carnwenhan 75 Dagger Magic Accuracy +10, Aftermath: +Qmark BRD
Denali Gamashes 75 Feet Magic Accuracy +3 MNK/THF/RNG/NIN/BLU/COR/DNC
Denali Kecks 75 Legs Magic Accuracy +3 MNK/THF/RNG/NIN/BLU/COR/DNC
Epsilon Ring 75 Ring Salvage: Magic Accuracy +3 All
Goliard Clogs 75 Feet Magic Accuracy +2 WHM/BLM/RDM/BRD/SMN/PUP/SCH
Goliard Cuffs 75 Hands Magic Accuracy +4 WHM/BLM/RDM/BRD/SMN/PUP/SCH
Homam Zucchetto 75 Head Magic Accuracy +4 THF/PLD/DRK/DRG/BLU
Laevateinn 75 Staff Magic Accuracy +10, Aftermath: +Qmark BLM
Liberator 75 Scythe Magic Accuracy +20 DRK
Mirage Shalwar +1 75 Legs Magic Accuracy +5 BLU
Morgana's Cotehardie 75 Body Magic Accuracy -8 WHM/BLM/RDM/BRD/SMN/BLU/PUP/SCH
Morrigan's Coronal 75 Head Magic Accuracy +5 BLM/RDM/BLU
Morrigan's Cuffs 75 Hands Magic Accuracy +5 BLM/RDM/BLU
Murgleis 75 Sword Magic Accuracy +10, Aftermath: +Qmark RDM
Nagi 75 Katana Magic Accuracy +10 NIN
Nashira Turban 75 Head Magic Accuracy +5 WHM/BLM/RDM/SMN/BLU
Nashira Manteel 75 Body Magic Accuracy +5 WHM/BLM/RDM/SMN/BLU
Nashira Gages 75 Hands Magic Accuracy +3 WHM/BLM/RDM/SMN/BLU
Nashira Seraweels 75 Legs Magic Accuracy +3 WHM/BLM/RDM/SMN/BLU
Nashira Crackows 75 Feet Magic Accuracy +2 WHM/BLM/RDM/SMN/BLU
Omega Ring 75 Ring Magic Accuracy +3 All
Pantin Churidars +1 75 Legs Automaton: Magic Accuracy +7 PUP
Salire Belt 75 Waist Magic Accuracy +4 All
Shadow Hat 75 Head Magic Accuracy +5 WHM/BLM/RDM/BRD/SMN
Shadow Coat 75 Body Magic Accuracy +10 WHM/BLM/RDM/BRD/SMN
Shadow Cuffs 75 Hands Magic Accuracy +3 WHM/BLM/RDM/BRD/SMN
Shadow Trews 75 Legs Magic Accuracy +4 WHM/BLM/RDM/BRD/SMN
Shadow Clogs 75 Feet Magic Accuracy +2 WHM/BLM/RDM/BRD/SMN
Tizona 75 Sword Magic Accuracy +10, Aftermath: +Qmark BLU
Tupsimati 75 Staff Magic Accuracy +10, Aftermath: +Qmark SCH
Valkyrie's Hat 75 Head Magic Accuracy +6 WHM/BLM/RDM/BRD/SMN
Valkyrie's Coat 75 Body Magic Accuracy +11 WHM/BLM/RDM/BRD/SMN
Valkyrie's Cuffs 75 Hands Magic Accuracy +4 WHM/BLM/RDM/BRD/SMN
Valkyrie's Trews 75 Legs Magic Accuracy +5 WHM/BLM/RDM/BRD/SMN
Valkyrie's Clogs 75 Feet Magic Accuracy +3 WHM/BLM/RDM/BRD/SMN
Veuglaire 75 Ranged Magic Accuracy +5 COR
Yagrush 75 Club Magic Accuracy +10, Aftermath: +Qmark WHM
Cassandra's Earring 60 Ear Set: Magic Accuracy +5 All
Helenus's Earring 60 Ear Set: Magic Accuracy +5 All
Atrophy Chapeau +1 99 Head Magic Accuracy +15 RDM
Atrophy Chapeau 99 Head Magic Accuracy +15 RDM

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