Ragnarok Online - Events - October 2021 Kachua Update
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October 2021 Kachua Update
10/18/2021

October 2021 Kachua

October 2021 Kachua Key Items

All new Kachua's Secret Key items are here! Open up some boxes in the Cash Shop to gain Kachua Keys, which can be used to open up even more treasures!

New to the Kachua Key System? Jump to the explainer below to read all about it!

Here are all the items you have a chance of receiving from your Kachua Keys for this time period:
Please note that items are not listed in any particular order, and some items naturally drop at a lower rate than others.

  • Shadow Smelting Hammer 0.30%
  • Status Shadow Item Combiner 0.30%
  • Advanced Refining Certificate Envelope 0.80%
  • Essence of Powerful Soul 0.60%
  • Phantom's Invitation x3 1.00%
  • Overwelm Agi Armor [1] 1.00%
  • Overwelm Dex Armor [1] 1.00%
  • Overwelm Luk Armor [1] 1.00%
  • Overwelm Vit Armor [1] 1.00%
  • Overwelm Str Armor [1] 1.00%
  • Overwelm Int Armor [1] 1.00%
  • Refining Certificate Envelope 3.00%
  • Beginner's Shadow Shoes 3.00%
  • Beginner's Shadow Shield 3.00%
  • Advanced Shadow Shield 3.00%
  • Advanced Shadow Shoes 3.00%
  • Rookie's Shadow Shoes 3.00%
  • Rookie's Shadow Shield 3.00%
  • Class Shadow Cube 3.00%
  • Shadow Enhancement Box 9.00%
  • HE Bubble Gum x 2 14.50%
  • Bloody Dead Branch x 2 14.50%
  • Yggdrasilberry Box 14.50%
  • Alchemist Box 14.50%
  • Always Gives HE Battle Manual 100.00%

*The following items are brand new:
Item Description
Overwelm Str Armor Overwelm Str Armor [1]

Red armor with strong power.

Class: Armor
Defense: 120
Weight: 200
Requires Level: 1
Usable By: All Jobs

ATK + 50.
ATK + 2% per 3 refine rates.
If refined to +7 or higher, pierces 30% of physical DEF on Brute, Demon.
If refined to +9 or higher, increases physical damage dealt to Brute, Demon by 10%.
If refined to +11 or higher, increases physical damage dealt to Wind, Earth by 10%.
When equipped with Temporal Str Boots[1] or Modified Str Boots[1],
ATK + 10%.
If the sum of refine rate is 21 or higher,
Pierces additional 20% of physical DEF on Brute, Demon type monsters.
Overwelm Int Armor Overwelm Int Armor [1]

Blue Armor with strong magic.

Class: Armor
Defense: 120
Weight: 200
Requires Level: 1
Usable By: All Jobs

MATK + 50.
MATK + 2% per 3 refine rates.
If refined to +7 or higher, pierces 30% of magic DEF on Brute, Demon.
If refined to +9 or higher, increases magic damage dealt to Brute, Demon by 10%.
If refined to +11 or higher, increases magic damage dealt to Wind, Earth by 10%.
When equipped with Temporal Int Boots[1] or Modified Int Boots[1],
MATK + 10%.
If the sum of refine rate is 21 or higher,
Pierces additional 20% of magic DEF on Brute, Demon type monsters.
Overwelm Luk Armor Overwelm Luk Armor [1]

Purple armor with unexpected fortune.

Class: Armor
Defense: 120
Weight: 200
Requires Level: 1
Usable By: All Jobs

ATK + 50.
Critical damage + 2% per 3 refine rates.
If refined to +7 or higher, pierces 30% of physical DEF on Brute, Demon.
If refined to +9 or higher, increases physical damage dealt to Brute, Demon by 10%.
If refined to +11 or higher, increases physical damage dealt to Wind, Earth by 10%.
When equipped with Temporal Luk Boots[1] or Modified Luk Boots[1],
Increases critical damage by 10%.
If the sum of refine rate is 21 or higher,
Pierces additional 20% of physical DEF on Brute, Demon type monsters.

Overwelm Vit Armor Overwelm Vit Armor [1]

Black armor with power of vital.

Class: Armor
Defense: 120
Weight: 200
Requires Level: 1
Usable By: All Jobs

ATK + 50.
MHP +2% per 3 refine rates.
If refined to +7 or higher, pierces 30% of physical DEF on Brute, Demon.
If refined to +9 or higher, increases physical damage dealt to Brute, Demon by 10%.
If refined to +11 or higher, increases physical damage dealt to Wind, Earth by 10%.
When equipped with Temporal Vit Boots[1] or Modified Vit Boots[1],
MHP + 10%.
If the sum of refine rate is 21 or higher,
Pierces additional 20% of physical DEF on Brute, Demon type monsters.


Overwelm Agi Armor Overwelm Agi Armor [1]

Armor with power of quickness.

Class: Armor
Defense: 120
Weight: 200
Requires Level: 1
Usable By: All Jobs

ATK + 50.
Increases Aspd (Reduce delay after attack by 2%) per 3 refine rates.
If refined to +7 or higher, pierces 30% of physical DEF on Brute, Demon.
If refined to +9 or higher, increases physical damage dealt to Brute, Demon by 10%.
If refined to +11 or higher, increases physical damage dealt to Wind, Earth by 10%.
When equipped with Temporal Agi Boots[1] or Modified Agi Boots[1],
ASPD + 1.
If the sum of refine rate is 21 or higher,
Pierces additional 20% of physical DEF on Brute, Demon type monsters.


Overwelm Dex Armor Overwelm Dex Armor [1]

Armor with great dexterity.

Class: Armor
Defense: 120
Weight: 200
Requires Level: 1
Usable By: All Jobs

ATK + 50.
Long ranged physical attack + 2% per 3 refine rates.
If refined to +7 or higher, pierces 30% of physical DEF on Brute, Demon.
If refined to +9 or higher, increases physical damage dealt to Brute, Demon by 10%.
If refined to +11 or higher, increases physical damage dealt to Wind, Earth by 10%.
When equipped with Temporal Dex Boots[1] or Modified Dex Boots[1],
Long ranged physical damage +5%.
If the sum of refine rate is 21 or higher,
Pierces additional 20% of physical DEF on Brute, Demon type monsters.


Beginner's Shadow Shoes Beginner's Shadow Shoes

Shoes that can be worn on top of the gear. Most effective when worn as part of a set.

Class: Shadow Armor
Location: Shoes
Required Level: 1
Equippable up to level: 49
Usable by: All Jobs

Increases experience gained from monsters by 1% per 1 refine rates.
Set Bonus
Beginner's Shadow Shield
Beginner's Shadow Shoes
Increases experience gained from monsters by 10%.
Increases experience gained from monsters by an additional 10% if the sum of refine rate is 15 or higher.

Beginner's Shadow Shield Beginner's Shadow Shield

A small shield that can be worn on top of the arm. Most effective when worn as a part of a set.

Class: Shadow Equipment
Location: Shield
Weight: 0
Required Level: 49
Usable By: All Jobs

Increases experience gained from monsters by 1% per 1 refine rates.
Set Bonus
Beginner's Shadow Shield
Beginner's Shadow Shoes
Increases experience gained from monsters by 10% when equipped with Beginner's Shadow shoes.
Increases experience gained from monsters by 10% if the sum of refine rate is 15 or higher.


Rookie's Shadow Shoes Rookie's Shadow Shoes

Shoes that can be worn on top of the gear. Most effective when worn as part of a set.

Class: Shadow Equipment
Location: Shoes
Weight: 0
Required Level: 50
Usable by: All Jobs

Increases experience gained from monsters by 1% per 2 refine rates.
Set Bonus
Rookie's Shadow Shield
Rookie's Shadow Shoes
Increases experience gained from monsters by 5%.
Increases experience gained from monsters by an additional 5% if the sum of refine rate is 15 or higher.


Rookie's Shadow Shield Rookie's Shadow Shield

A small shield that can be worn on top of the arm. Most effective when worn as a part of a set.

Class: Shadow Equipment
Location: Shield
Weight: 0
Required Level: 99
Usable by: All Jobs

Increases experience gained from monsters by 1% per 2 refine rates.
Set Bonus
Rookie's Shadow Shield
Rookie's Shadow Shoes
Increases experience gained from monsters by 5%.
Increases experience gained from monsters by an additional 5% if the sum of refine rate is 15 or higher.


Advanced Shadow Shoes Advanced Shadow Shoes

Shoes that can be worn on top of the gear. Most effective when worn as part of a set.

Class: Shadow Equipment
Location: Shoes
Weight: 0
Required level: 149
Usable By: All jobs

Increases experience gained from monsters by 1% per 3 refine rates.
Set Bonus
Advanced Shadow Shield
Advanced Shadow Shoes
Increases experience gained from monsters by 2% when equipped with Advanced Shadow Shield.
Increases experience gained from monsters by 2% if the sum of refine rate is 15 or higher.


Advanced Shadow Shield Advanced Shadow Shield

A small shield that can be worn on top of the arm. Most effective when worn as a part of a set.

Class: Shadow Armor
Location: Shield
Weight: 0
Required level: 149
Usable by: All jobs

Increases experience gained from monsters by 1% per 3 refine rates.
Set Bonus
Advanced Shadow Shield
Advanced Shadow Shoes
Increases experience gained from monsters by 2%.
Increases experience gained from monsters by 2% if the sum of refine rate is 15 or higher.


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Kachua Key System

Turn your everyday shopping into a chance to gain more items and equipment!

Cash Shop


Certain items in the Cash Shop come with Kachua Secret Keys! When you purchase them using Kafra Points (which you can purchase in the Power-Up Page), you will get a certain number of Kachua Keys.

Kachua Key


The Kachua Keys will appear in your Inventory.
To use them, double-click them to see the above prompt. Select your option and unlock prizes!

Below are the eligible Cash Shop Items and the amount of Kachua Keys they grant you:

Cash Shop Item Box Contents Kachua Keys Given
Giant Flywing 500 Box 500 Giant Flywings 1 Kachua Key
Giant Flywing 2500 Box 2500 Giant Flywings 11 Kachua Keys
Life Potion Sampler Crate 10 Small Life Potions
10 Medium Life Potions
10 Mysterious Life Potions
1 Kachua Key
Life Potion Sampler 10 Crate 100 Small Life Potions
100 Medium Life Potions
100 Mysterious Life Potions
11 Kachua Keys
WoE Teleport Scroll 100 Box 100 WoE Map Teleport Scrolls 1 Kachua Key
WoE Teleport Scroll 500 Box 500 WoE Map Teleport Scrolls 11 Kachua Keys
Infinity Drink 20 Box 20 Infinity Drinks 1 Kachua Key
Infinity Drink 200 Box 200 Infinity Drinks 11 Kachua Keys
Acid Bomb 50 Box 50 Acid Bombs 1 Kachua Key
Acid Bomb 500 Box 500 Acid Bombs 11 Kachua Keys

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