ダークマター [dark matter] in Japanese. Has been used for various different things over the years.
Final Fantasy IV
Buy: - (sell: -)
Obtain: steal from Zeromus
Other: use to summon an optional boss in New Game+
Final Fantasy V
Buy: - (Sell: 5 gil)
Drop: some enemies
Obtain: some chests
Description: Combine with other Chemist mixing ingredients to produce different effects
Final Fantasy IX

Stats: MAG +2, STR +3
Equip: all
Abilities: Odin
Buy: - (sell: 1 gil)
Obtain: Treno auction house starting disc 3
Use: Protect Ring
Description: Deals dmg. to the target. Equip as an Add-on
Type: Accessory / Item
Final Fantasy XII
Buy: 2 gil (sell: 1 gil)
Effect: deals physical damage to all targets in range, with max 60,000
Other: damage dealt increases with each Knot of Rust used, resets when Dark Matter is used
Final Fantasy XIII-2
Buy: - (sell: 5,000 gil)
Drop: -
Obtain: chocobo race reward (Havoc Stakes)
Use: material to buy weapons/accessories from Chocolina's Superstore
Description: ?
Final Fantasy XIV

Grade 1 Dark Matter
Use: repair level 1-10 equipment
Buy: 50 gil (sell: 6 gil)
Shop: numerous
Gather: randomly from grade 1 nodes
Obtain: buy 20 for 5 seals from your Grand Company
Type: Catalyst, Stack: 99
Description: It has recently been discovered that this substance of unknown origin has the faculty to assimilate with other forms of matter, effectively restoring them to their original condition. This specific grade of dark matter has been shown to bond best with simple items crafted from common materials. [Used to repair equipment for levels 1-10.]

Grade 2 Dark Matter
Use: repair level 11-20 equipment
Buy: 300 gil (sell: 16 gil)
Shop: numerous
Gather: randomly from grade 2 nodes
Obtain: buy 20 for 25 seals from your Grand Company
Type: Catalyst, Stack: 99
Description: It has recently been discovered that this substance of unknown origin has the faculty to assimilate with other forms of matter, effectively restoring them to their original condition. This specific grade of dark matter has been shown to bond best with relatively simple items crafted from common materials. [Used to repair equipment for levels 11-20.]

Grade 3 Dark Matter
Use: repair level 21-30 equipment
Buy: 700 gil (sell: 26 gil)
Shop: numerous
Gather: randomly from grade 3 nodes
Obtain: buy 20 for 45 seals from your Grand Company
Type: Catalyst, Stack: 99
Description: It has recently been discovered that this substance of unknown origin has the faculty to assimilate with other forms of matter, effectively restoring them to their original condition. This specific grade of dark matter has been shown to bond best with items crafted from standard materials. [Used to repair equipment for levels 21-30.]

Grade 4 Dark Matter
Use: repair level 31-40 equipment
Buy: 1,500 gil (sell: 36 gil)
Shop: numerous
Gather: randomly from grade 4 nodes
Obtain: buy 20 for 100 seals from your Grand Company
Type: Catalyst, Stack: 99
Description: It has recently been discovered that this substance of unknown origin has the faculty to assimilate with other forms of matter, effectively restoring them to their original condition. This specific grade of dark matter has been shown to bond best with expertly crafted items made from quality materials. [Used to repair equipment for levels 31-40.]

Grade 5 Dark Matter
Use: repair level 41-50 equipment
Buy: 3,500 gil (sell: 46 gil)
Shop: numerous
Gather: randomly from grade 5 nodes
Obtain: buy 20 for 150 seals from your Grand Company
Type: Catalyst, Stack: 99
Description: It has recently been discovered that this substance of unknown origin has the faculty to assimilate with other forms of matter, effectively restoring them to their original condition. This specific grade of dark matter has been shown to bond best with precisely crafted items made from high-quality materials. [Used to repair equipment for levels 41-50.]
A New Empire

Drop: (low chance drop from all monsters)
Use: Hypno Crown
Description: A highly volatile, mist-like substance sometimes used as a catalyzing agent
Type: Material
Crystal Chronicles
Stats: MAG+5
Obtain: Tida, cycle 3
Other: an artifact
Ring of Fates
Buy: - (sell: -)
Obtain: use an invalid combination of Magicite/items in a Lilty's alchemy
Other: when used, has a 50% chance of breaking for small damage
Other: 15% chance of becoming Fire, Blizzard or Thunder, 2% chance of becoming Quake or Meteor, 1% chance to become Ultima
Airborne Brigade
N
Use: raise Limit Break level (x1)
Obtain: defeat a boss during Shattered World event (x1-x2)
Description: Confers a slight limit break effect to a weapon or ability
R
Use: raise Limit Break level (x5)
Obtain: red chocobo
Description: Confers a moderate limit break effect to a weapon or ability
R+
Use: raise Limit Break level (x10)
Obtain: red chocobo
Description: ?
![]() |
![]() |
![]() |
Record Keeper

Dark Matter (★1)
Buy: - (sell: ? gil)
Obtain: exchange for 100 Gysahl Greens
Use: super evolve ★1++ equipment
Type: Dark Matter, Rarity: ★, Stack: ?

Dark Matter (★2)
Buy: - (sell: ? gil)
Obtain: exchange for 300 Gysahl Greens
Use: super evolve ★2++ equipment
Type: Dark Matter, Rarity: ★★, Stack: ?

Dark Matter (★3)
Buy: - (sell: ? gil)
Obtain: exchange for 500 Gysahl Greens
Use: super evolve ★3++ equipment
Type: Dark Matter, Rarity: ★★★, Stack: ?

Dark Matter (★4)
Buy: - (sell: ? gil)
Obtain: exchange for 1,000 Gysahl Greens
Use: super evolve ★4++ equipment
Type: Dark Matter, Rarity: ★★★★, Stack: ?

Dark Matter (★5)
Buy: - (sell: ? gil)
Obtain: exchange for 5,000 Gysahl Greens
Use: super evolve ★5++ equipment
Type: Dark Matter, Rarity: ★★★★★, Stack: ?

Dark Matter (★6)
Buy: - (sell: ? gil)
Obtain: ?
Use: super evolve ★6++ equipment
Type: Dark Matter, Rarity: ★★★★★★, Stack: ?
Category: Item