Rikku has a special ability called 'Use', which enables her to use items in battle. Her Mix Overdrive is also based on this: you select two items from your inventory
and mix them together to produce unique offensive and defensive effects. In total, there are 64 Overdrive Combinations. Check the following table for the most
powerful attacks.
| 1st Item |
2nd Item |
Mix Result |
Effect |
| Antidote |
Map |
Megalixir |
All characters' HP and MP are fully restored. |
| Hi-Potion |
Lv. 1 Key Sphere or Lv. 2 Key Sphere |
Final Elixir |
All characters' HP and MP are fully restored, and all negative Status Effects are lifted. |
| Potion |
Stamina Tablet |
Mega Vitality |
All characters' max HP levels are doubled. (*) |
| Lunar Curtain, Light Curtain or Star Curtain |
Lunar Curtain or Light Curtain |
Super Mighty G |
Shell, Protect, Haste and Regen are casted on all characters. |
| Musk, Hypello Potion or Shining Thorn |
Musk, Hypello Potion or Shining Thorn |
Hyper NulAll |
NulBlaze, NulTide, NulShock and NulFrost are casted on all characters. In addition, their Strength, Defence, Magic and Magic Defence
attributes rise by 5 points. (*) |
| Bomb Core |
Lv. 2 Key Sphere |
Burning Soul |
Around 900 HP Fire damage is inflicted 9 times on an opponent randomly selected each time. |
| Lightning Marble |
Lv. 2 Key Sphere |
Lightning Bolt |
Around 900 HP Thunder damage is inflicted 9 times on an opponent randomly selected each time. |
| Dragon Scale |
Lv. 2 Key Sphere |
Tidal Wave |
Around 900 HP Water damage is inflicted 9 times on an opponent randomly selected each time. |
| Arctic Wind |
Lv. 2 Key Sphere |
Winter Storm |
Around 900 HP Ice damage is inflicted 9 times on an opponent randomly selected each time. |
| Power Sphere, Magic Sphere, Speed Sphere or Ability Sphere |
Power Sphere, Magic Sphere, Speed Sphere or Ability Sphere |
Frag Grenade |
All opponents suffer around 800 damage points, and are very likely to suffer the Armour Break Status Effect. |
| Grenade |
Map |
Hazardous Shell |
All opponents suffer around 2200 damage points and are very likely to suffer the Sleep, Silence, Darkness and Poison Status Effects. |
| Sleeping Powder, Silence Grenade or Smoke Bomb |
Lv. 3 Key Sphere, Lv. 4 Key Sphere, HP Sphere or MP Sphere |
Chaos Grenade |
All opponents suffer around 7300 damage points each, and are very likely to suffer the Sleep, Silence, Darkness, Poison, Power Break,
Magic Break, Armour Break, Mental Break and Slow Status Effects. |
| Bomb Fragment, Electro Marble, Fish Scale or Antarctic Wind |
Luck Sphere or Designer Wallet |
Miracle Drink |
All attacks become Critical Hits. (*) |
| Lv. 3 Key Sphere or Lv. 4 Key Sphere |
Pendulum, Door to Tomorrow, Wings to Discovery or Underdog's Secret |
Trio of 9999 |
All of your character's attacks and healing cause 9999 HP damage or restoration. (*) |
| Ether |
Musk |
Freedom X |
All characters can deploy their Command Abilities without using up MP. |
| Elixir |
Lv. 1 Key Sphere or Lv. 2 Key Sphere |
Hot Spurs |
All characters' Overdrive Gauges fill 1,5 x more quickly. |
| Megalixir |
Lv. 1 Key Sphere or Lv. 2 Key Sphere |
Eccentrick |
All characters' Overdrive Gauges fill 2 x more quickly. |
| * Until the end of the battle, or until KO'd |