Here is a List of the Itemss in Colosseum Aswell as their Locations (some of which will be added as time goes by)

Health Items:
Item:
Description:
Location:
Price:
Antidote
Cures Poison Condition.
Some PokéMarts
$100
Awakening
Cures Sleep Condition.
Some PokéMarts
$250
Burn Heal
Cures Burn Condition.
Some PokéMarts
$250
Elixer
Restores 10 PP to all moves.
Laboratory/Snagem Hideout
--
Energy Root
Restores 200 HP, but bitter.
The Under
$800
Energypowder
Restores 50 HP, but bitter.
The Under
$500
Ether
Restores 10 PP to one move.
Pyrite Cave
--
Fresh Water
Restores 50 HP.
The Under
$200
Full Heal
Cures all Status Conditions.
Some PokéMarts, Pyrite Cave, Laboratory.
$600
Full Restore
Cures all Status Conditions/Restores all HP.
Under PokéMart, Laboratory.
$3000
Heal Powder
Cures all Status Conditions, but bitter.
The Under
$450
Hyper Potion
Restores 200 HP.
Some PokéMarts, Pyrite Building, Pyrite Cave, The Under.
$1200
Ice Heal
Cures Frozen Condition.
Some PokéMarts
$250
Lemonade
Restores 80 HP.
The Under
$350
Max Elixer
Restores all PP to all Moves.
Snagem Hideout
--
Max Ether
Restores all PP to 1 Move.
Snagem Hideout
--
Max Potion
Restores all HP.
Under PokéMart, The Under, Pyrite Building, Snagem Hideout.
$2500
Max Revive
Revives Fainted Pokémon, and all HP.
Snagem Hideout
--
Paralyze Heal
Cures Paralyze Condition.
Some PokéMarts
$200
Potion
Restores 20 HP.
Phenac City PokéMart
$300
Revival Herb
Revives Fainted Pokémon and all HP, but Bitter.
The Under
$2800
Revive
Revives a Fainted Pokémon with Half its HP.
Some PokéMarts, Pyrite Building, Laboratory.
$1500
Soda Pop
Restores 60 HP.
The Under
$300
Super Potion
Restores 50 HP.
Phenac/Agate PokéMart, Phenac City
$700

Skill and Level Increasing Items:
Calcium
Raises Special Attack Permanently.
Agate PokéMart
$9800
Carbos
Raises Speed Permanently.
Agate PokéMart, Pyrite Cave.
$9800
Dire Hit
Increase chance of Critical Hit in 1 Battle.
Phenac PokéMart
$650
Guard Spec.
Guards against Stat Reducing moves in 1 Battle.
Phenac PokéMart
$700
HP Up
Raises HP Permanently.
Agate PokéMart, Laboratory.
$9800
Iron
Raises Defense Permanently.
Agate PokéMart, Pyrite Cave
$9800
PP Up
Raises PP of 1 move Permanently.
Laboratory, Snagem Hideout
--
Protein
Raises Attack Permanently.
Agate PokéMart, Pyrite Cave
$9800
Rare Candy
Raises Pokémon's Level by 1.
The Under, Snagem Hideout
--
X Accuracy
Raises Accuracy in 1 Battle.
Phenac PokéMart
$950
X Attack
Raises Attack in 1 Battle.
Phenac PokéMart
$500
X Defend
Raises Defense in 1 Battle.
Phenac PokéMart
$550
X Special
Raises Special Attack in 1 Battle.
Phenac PokéMart
$350
X Speed
Raises Speed in 1 Battle.
Phenac PokéMart
$350
Zinc
Raises Special Defense Permanently.
Agate PokéMart, Pyrite Cave
$9800

Items for Shadow Pokémon Purification:
Excite Scent
Purifies Shadow Pokémon to a good extent.
Agate Village
$800
Joy Scent
Purifies Shadow Pokémon to a slight extent.
Agate Village
$600
Time Flute
Calls Celebi to fully Purify a Shadow Pokémon.
Mt. Battle, The Under, Mt. Battle Top
--
Vivid Scent
Purifies Shadow Pokémon to a great extent.
Agate Village
$1200

Key Items:
Blue ID Badge
Unlocks Blue Lock in Realgam Tower (Venus)
Realgam Tower
--
Card Key
Used to Enter Right Side of Lab.
Laboratory
--
Cologne Case
Hold Cologne Massage scents for Purification.
Agate Village
--
D-Disk
Moves UFO Downward.
Snagem Hideout
--
Data ROM
Computer ROM that holds Secret Data.
Laboratory
--
DNA Sample (Bayleef)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Croconaw)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Entei)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Mightyena)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Misdreavus)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Quilava)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Raikou)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Sudowoodo)
1 of 3 possible DNA Samples.
Laboratory
--
DNA Sample (Suicune)
1 of 3 possible DNA Samples.
Laboratory
--
Down St. Key
Unlocks Door to Lab's Lower Level.
Laboratory
--
Ein File C
Contails details about Celebi.
Agate Village
--
Ein File F
Contains final details about Purification.
The Under
--
Ein File H
Contains details about Hyper Mode.
Pyrite Building
--
Ein File P
Contains details about Purification.
Pyrite Cave
--
Ein File S
Contains details about Shadow Pokémon.
Pyrite Building
--
Elevator Key
Used for Elevator to The Under.
Pyrite Town
--
F-Disk
Moves UFO Forward.
Mt. Battle
--
Gear
Part of Pyrite Town Windmill.
Construction Site
--
Green ID Badge
Unlocks Green lock in Realgam Tower (Dakim).
Realgam Tower
--
Jail Key
Unlocks Jail in Pyrite Town.
Pyrite Town
--
L-Disk
Moves UFO to the Left.
The Under
--
Maingate Key
Unlocks Main Gate to Lab.
Lab Basement (Under Subway)
--
Powerup Part
Upgrades Kids Grid Network.
The Under
--
R-Disk
Moves UFO to the Right.
The Under
--
Red ID Badge
Unlocks Red Lock in Realgam Tower (Miror B).
Realgam Tower
--
Small Tablet
Reveals Relic Stone Secrets.
Agate Village
--
Steel Teeth
A set of Steel Teeth.
The Under
--
U-Disk
Moves UFO Upward.
Lab Basement (Under Subway)
--
Yellow ID Badge
Unlocks Yellow Lock in Realgam Tower (Ein).
Realgam Tower
--

Balls:
Great Ball
Catches better than Poké Ball
Outskirt Stand, Pyrite Building
$600
Master Ball
Always Catches a Pokémon.
Agate Village (Eagun)
--
Nest Ball
Better against Lower-Level Pokémon.
Outskirt Stand
$1000
Net Ball
Better against Bug/Water type Pokémon.
Outskirt Stand
$1000
Poké Ball
Basic ball for catching Pokémon.
Outskirt Stand
$200
Premier Ball
Poké Ball with a good design.
Outskirt Stand
--
Timer Ball
Better chance of catching the longer the battle.
Outskirt Stand, The Under
$1000
Ultra Ball
Catches better than Great Ball.
Outskirt Stand, Pyrite Cave, Agaate Village, The Under, Snagem Hideout
$1200

Items to Sell:
Nugget
Sells for a High Price.
Tyranitar (Shadow Pokémon)
--

Held Items for Pokémon:
Amulet Coin
Doubles Earnings if Pokémon Battles.
The Under
--
Black Belt
Increases Fighting Type Moves.
Hitmontop (Shadow Pokémon)
--
Blackglasses
Increases Dark Type Moves.
The Under
--
Brightpowder
Lowers opponents Accuracy in 1 Battle.
PokéCoupon Exchange
10,000 PokéCoupons
Charcoal
Increases Fire Type Moves.
Quilava (Shadow Pokémon)
--
Choice Band
Multiplies power of 1st move by 1.5; Can't use other moves.
PokéCoupon Exchange
10,000 PokéCoupons
Dragon Fang
Increases Dragon Type Moves.
Vibrava (Shadow Pokémon)
--
Exp. Share
Shares Exp. from Battling Pokémon.
Agate Village
--
Focus Band
May prevent a Pokémon from Fainting.
PokéCoupon Exchange
10,000 PokéCoupons
Hard Stone
Increases Rock Type Moves.
Sudowoodo (Shadow Pokémon)
--
King's Rock
May cause opponent to Flinch.
PokéCoupon Exchange
10,000 PokéCoupons
Macho Brace
Boosts Stats, but lowers Speed in Battle.
Pyrite Cave
--
Mental Herb
Cures Attraction.
PokéCoupon Exchange
8,000 PokéCoupons
Metal Coat
Increases Steel Type Moves.
Metagross (Shadow Pokémon)
--
Miracle Seed
Increases Grass Type Moves.
Bayleef (Shadow Pokémon)
--
Mystic Water
Increases Water Type Moves.
Croconaw (Shadow Pokémon)
--
Nevermeltice
Increases Ice Type Moves.
Delibird (Shadow Pokémon)
--
Poison Barb
Increases Poison Type Moves.
Qwilfish (Shadow Pokémon)
--
Quick Claw
Increase chance of Attacking first.
Agate Village, PokéCoupon Exchange
10,000 PokéCoupons
Scope Lens
Increases chance for Critical Hit.
PokéCoupon Exchange
10,000 PokéCoupons
Sharp Beak
Increases Flying Type Moves.
Skarmory (Shadow Pokémon)
--
Silk Scarf
Increases Normal Type Moves.
Agate Village
--
Silver Powder
Increases Bug Type Moves.
Ariados (Shadow Pokémon)
--
Soft Sand
Increases Ground Type Moves.
Piloswine (Shadow Pokémon)
--
Spell Tag
Increases Ghost Type Moves.
Misdreavus (Shadow Pokémon)
--
Twistedspoon
Increases Psychic Type Moves.
Meditite (Shadow Pokémon)
--
White Herb
Restores Stats to normal.
Phenac City, PokéCoupon Exchange
8,000 PokéCoupons

 
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