Ragnarok Online - Events - December 2021 Kachua Update
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December 2021 Kachua Update
12/13/2021

December 2021 Kachua

December 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%
  • Christmas Guardian Tree 1.00%
  • Dust Shadow Armor 1.00%
  • Dust Shadow Shield 1.00%
  • Dust Shadow Shoes 1.00%
  • Crimson Shadow Armor 1.00%
  • Crimson Shadow Shield 1.00%
  • Crimson Shadow Shoes 1.00%
  • Refining Certificate Envelope 3.00%
  • Class Weapon Shadow Cube 3.00%
  • Class Armor Shadow Cube 3.00%
  • Class Shoes Shadow Cube 3.00%
  • Class Shield Shadow Cube 3.00%
  • Class Pendant Shadow Cube 3.00%
  • Class Earring Shadow Cube 3.00%
  • Class Shadow Cube 3.00%
  • Shadow Enhancement Box 9.00%
  • HE Bubble Gum x 2 14.50%
  • Bloody 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
Christmas Guardian Tree Christmas Guardian Tree

Christmas tree that's worn at the back.
Holy force, resonates with various items to give the wearer some special abilities.

Class: Garment
Defense: 20
Weight: 10
Requires Level: 1
Usable By: All Jobs

ATK + 1%, MATK + 1% per 2 refine rate.
When refined to +9 or higher, ATK + 30, MATK + 30.
When refined to +11 or higher, has a chance to increase holy and neutral property magical damage by 20% for 10 seconds when dealing melee physical attack.

When equipped with Noble Cross and Hurt Mind, MATK + 30, increase Duple Light's damage by 40%.
When refine rate of Noble Cross is +10 or higher, increase Duple Light's damage by additional 20%.

When equipped with Noble Cross and King Heart, ATK + 30, increase Knuckle Arrow damage by 40%,
When refine rate of Noble Cross is +10 or higher, increase Knuckle Arrow damage by additional 20%.

When equipped with Old Parasol and Evil Spirit Glove,
MATK + 80, has a chance to auto-cast Soul Strike level 10 when dealing melee physical damaage,
When refine rate of Old parasol is +10 or higher, has a chance to auto-cast
Napalm Vulcan level 5 when dealing melee physical damage.

When equipped with Evil Spirit Glove and Red Lantern,
increase attack speed (reduce delay after attack by 10%), HIT +10, MATK + 10%.
When refine rate of Christmas Guardian Tree is +10 or higher, has a chance to auto-cast Psychic Wave level 3 when dealing melee physical damage.

When equipped with Hurt Mind and King Heart, increase attack speed (reduce delay after attack by 10%), increase long ranged physical damage by 10%, ATK+10%.

When refine rate of Christmas Guardian Tree is +10 or higher, HIT + 15, increase critical damage by 15%.

Dust Shadow Armor Dust Shadow Armor

Can be worn on top of the armor. It can be worn by itself, but it's not effective.

Class: Shadow Gear
Location: Armor
Weight: 0
Requires Level: 99
Usable By: Sorcerer Type

Increase damage of Diamond Dust by 5%.
Increase damage of Diamond Dust by additional 2% per 1 refine rate.
Dust Shadow Shield Dust Shadow Shield

Can be worn on top of the shield. It can be worn by itself, but it's not effective.

Class: Shadow Gear
Location: Shield
Weight: 0
Requires Level: 99
Usable By: Sorceror Type

Increase water property magical damage by 3%.
When refined to +7 or higher, increase water property magical damage by additional 3%.
When refined to +9 or higher, increase water property magical damage by additional 4%.
When equipped with Dust Shadow Armor/Shield/Shoes,
Increase Diamond Dust damage as percentage equal to the sum of refine rates of set.
When equipped with Sorcerer Shadow Weapon,
Ignores magical defense rate of all race monsters (except players) by 40%, additional magical defense rate ignoring equal to the sum of refine rate of Dust Shadow Shield and Warlock Shadow Weapon.

Dust Shadow Shoes Dust Shadow Shoes

Can be worn on top of the shoes. It can be worn by itself, but it's not effective.

Class: Shadow Gear
Location: Shoes
Weight: 0
Requires Level: 99
Usable By: Sorcerer Type

Decrease SP consumption of Diamond Dust by 4%.
Decrease SP consumption of Diamond Dust by additional 1% per 2 refine rates.


Crimson Shadow Armor Crimson Shadow Armor

Can be worn on top of the armor. It can be worn by itself, but it's not effective.

Class: Shadow Gear
Location: Armor
Weight: 0
Requires Level: 99
Usable By: Warlock Type

Increase damage of Crimson Rock by 5%.
Increase damage of Crimson Rock by 2% per 1 refine rate.


Crimson Shadow Shield Crimson Shadow Shield

Can be worn on top of the shield. It can be worn by itself, but it's not effective.

Class: Shadow Gear
Location: Shield
Weight: 0
Requires Level: 99
Usable By: Warlock Type

Increase fire property damage by 3%.
When refined to +7 or higher, increase fire property damage by additional 3%.
When refined to +9 or higher, increase fire property damage by additional 4%.
When equipped with Crimson Shadow Armor/Shield/Shoes,
Increase Crimson Rock damage as percentage equal to the sum of refine rates of set.
When equipped with Warlock Shadow Weapon,
Ignores magical defense rate of all race monsters (except players) by 40%, additional magical defense rate ignoring equal to the sum of refine rate of Crimson Shadow Shield and Warlock Shadow Weapon.

Crimson Shadow Shoes Crimson Shadow Shoes

Can be worn on top of the shoes. It can be worn by itself, but it's not effective.

Class: Shadow Gear
Location: Shoes
Weight: 0
Required Level: 99
Usable by: Warlock Type

Decrease SP consumption of Crimson Rock by 4%.
Decrease Sp comsumption of Crimson Rock by additional 1% per 2 refine rates.


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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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