Ragnarok Online - Events - May 2021 Kachua Keys
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May 2021 Kachua Keys
5/17/2021

May 2021 Kachua

May 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.

  • Guaranteed:
    • 3x [Not for sale] Shiny Physical DEF Scroll
  • 1 Random Item:
    • *Advanced Refining Certificate Envelope
    • *Engineer Cap [1]
    • *Ignis Cap [1]
    • *Rosary Necklace
    • *Poring Capsule
    • *Refining Certificate Envelope
    • *Bearer's Shadow Armor
    • *Bearer's Shadow Shoes
    • *Bearer's Shadow Shield
    • *Bearer's Shadow Weapon
    • *Bearer's Shadow Earring
    • *Bearer's Shadow Pendant
    • *Class Shadow Cube
    • *Shadow Enhancement Box
    • Essence of Powerful Soul
    • 2x HE Battle Manual
    • 2x Bloody Branch
    • Yggdrasilberry Box
    • Alchemist Box

*The following items are brand new:
Item Description
Advanced Refining Certificate Envelope Advanced Refining Certificate Envelope

Advanced Refining Certificate Envelope
You can get one of refining certificates listed below.
+11 Weapon Refining Certificate
+11 Armor Refining Certificate
+12 Weapon Refining Certificate
+12 Armor Refining Certificate
+13 Weapon Refining Certificate
+13 Armor Refining Certificate

Caution! - Once you open this, the contents may not be traded with others.


Class: Item Giver
Weight: 1
Engineer Cap Engineer's Cap

Class: Headgear
Position: Upper
Defense: 0
Weight: 0
Atk + 10 and Matk + 10 per 2 refine rate. If refine rate is 7 or higher, reduces damage taken from Formless races by 5%. If refine rate is 9 or higher, increases physical and magical damage against Formless race by 5%. If refine rate is 11 or higher, Atk + 5%, Matk + 5%. Each refine rate above 10, increases physical and magical damage against Formless race by 1% per refine rate (up to 15).
Ignis Cap Ignis Cap

Class: Headgear
Position: Upper
Defense: 8
Weight: 80
Requires Level: 40
Usable By: All Jobs
Atk + 10

When physically attacking has a chance to enable
100% Def Bypass of Normal Monsters for 7 seconds
Set Bonus
Ifrit's Ear
ASPD +1% for every 2 refine levels
Rosary Necklace Rosary Necklace

The holy Rosario, which the apostle of God endowed with its power. It seems a mystical power flows within it.

Class: Headgear
Defense: 12
Weight: 30
Requires Level: 1
Usable By: All Jobs
Increases heal effectiveness by 5%.
When equipped with Recovery Light, reduces delay after skill by 3% per 2 refine rate of Recovery Light.
Disables SP consumption penalty of Recovery Light.
Poring Capsule Poring Capsule

Capsule containing one of the various Poring Balloons.
10 types of Poring, so let's get your favorite type of Balloon!
―――――――――――――
Poring Balloon
Marin Balloon
Drops Balloon
Santa Poring Balloon
Poporing Balloon
Metalring Balloon
Devilring Balloon
Angelring Balloon
Ghostring Balloon
Arch Angelring Balloon
―――――――――――――

Class: Item Giver
Weight: 1
Refining Certificate Envelope Refining Certificate Envelope

Refining Certificate Envelope
You can get one of refining certificates listed below.
+7 Weapon Refining Certificate
+7 Armor Refining Certificate
+8 Weapon Refining Certificate
+8 Armor Refining Certificate
+9 Weapon Refining Certificate
+9 Armor Refining Certificate
+10 Weapon Refining Certificate
+10 Armor Refining Certificate

Caution! - Once you open this, the contents may not be traded with others.
Weight : 1

Class: Item Giver
Weight: 1
Bearer's Shadow Armor Bearer's Shadow Armor

A special set of armor that is worn over traditional armor. Provides small defense when worn by itself.
Class: Shadow Armor
Weight: 0
Requires Level: 1
Usable By: All Jobs
MDEF + 1.
Increases MDEF + 1 per 2 refine rate.
When equipped with Bearer's Shadow set (Armor, Shoes, Shield, Weapon, Earring And Pendant), all stats + 1.
If the sum of refine rate is 45 or higher, grants [Endure] effect. Max HP is reduced by 60%.
Increases the maximum HP % value reduced by the sum of refine rate.
Bearer's Shadow Shoes Bearer's Shadow Shoes

Shoes that can be worn over traditional shoes. It can be equipped alone, but it has little effect.
Class: Shadow Shoes
Weight: 0
Requires Level: 1
Usable By: All Jobs
SP + 50.
Increases SP + 5 per 2 refine rate.
When equipped with Bearer's Shadow set (Armor, Shoes, Shield, Weapon, Earring And Pendant), all stats + 1.
If the sum of refine rate is 45 or higher, grants [Endure] effect. Max HP is reduced by 60%.
Increases the maximum HP % value reduced by the sum of refine rate.
Bearer's Shadow Shield Bearer's Shadow Shield

A special shield that can be worn over traditional shields. It can be equipped alone, but it has little effect.
Class: Shadow Shield
Weight: 0
Requires Level: 1
Usable By: All Jobs
DEF + 5.
Increases DEF + 1 per 2 refine rate.
When equipped with Bearer's Shadow set (Armor, Shoes, Shield, Weapon, Earring And Pendant), all stats + 1.
If the sum of refine rate is 45 or higher, grants [Endure] effect. Max HP is reduced by 60%.
Increases the maximum HP % value reduced by the sum of refine rate.
Bearer's Shadow Weapon Bearer's Shadow Weapon

A special weapon that can be worn over traditional weapons. It can be equipped alone, but it has little effect.
Class: Shadow Weapon
Weight: 0
Requires Level: 1
Usable By: All Jobs
HP + 100.
Increases HP + 10 per 2 refine rate.
When equipped with Bearer's Shadow set (Armor, Shoes, Shield, Weapon, Earring And Pendant), all stats + 1.
If the sum of refine rate is 45 or higher, grants [Endure] effect. Max HP is reduced by 60%.
Increases the maximum HP % value reduced by the sum of refine rate.
Bearer's Shadow Earring Bearer's Shadow Earring

A sacred earring that is said to protect the wearer. Elicits the wearer's potential abilities.
Class: Shadow Earring
Weight: 0
Requires Level: 1
Usable By: All Jobs
MATK + 5.
MATK + 1 per 2 refine rate.
When equipped with Bearer's Shadow set (Armor, Shoes, Shield, Weapon, Earring And Pendant), all stats + 1.
If the sum of refine rate is 45 or higher, grants [Endure] effect. Max HP is reduced by 60%.
Increases the maximum HP % value reduced by the sum of refine rate.
Bearer's Shadow Pendant Bearer's Shadow Pendant

A sacred necklace that is said to protect the wearer. Elicits the wearer's potential abilities.
Class: Shadow Pendant
Weight: 0
Requires Level: 1
Usable By: All Jobs
ATK + 5.
Increases ATK + 1 per 2 refine rate.
When equipped with Bearer's Shadow set (Armor, Shoes, Shield, Weapon, Earring And Pendant), all stats + 1.
If the sum of refine rate is 45 or higher, grants [Endure] effect. Max HP is reduced by 60%.
Increases the maximum HP % value reduced by the sum of refine rate.
Class Shadow Cube Class Shadow Cube

When opened gives one of following,
Knight Shadow Armor
Crusader Shadow Armor
Blacksmith Shadow Armor
Alchemist Shadow Armor
Priest Shadow Armor
Monk Shadow Armor
Assassin Shadow Armor
Rogue Shadow Armor
Wizard Shadow Armor
Sage Shadow Armor
Hunter Shadow Armor
Bard Shadow Armor
Dancer Shadow Armor
Super Novice Shadow Weapon
Gunslinger Shadow Weapon
Taekwon Shadow Weapon
Ninja Weapon Shadow
Doram magical Weapon Shadow
Doram physical Weapon Shadow
Rune Knight Weapon Shadow
Royal Guard Weapon Shadow
Mechanic Weapon Shadow
Geneticist Weapon Shadow
Arch Bishop Weapon Shadow
Sura Weapon Shadow
Guillotine Cross Weapon Shadow
Shadow Chaser Weapon Shadow
Warlock Weapon Shadow
Sorcerer Weapon Shadow
Ranger Weapon Shadow
Maestro Weapon Shadow
Wanderer Weapon Shadow
Rune Knight Shield Shadow
Royal Guard Shield Shadow
Mechanic Shield Shadow
Geneticist Shield Shadow
Arch Bishop Shield Shadow
Sura Shield Shadow
Guillotine Cross Shield Shadow
Shadow Chaser Shield Shadow
Warlock Shield Shadow
Sorcerer Shield Shadow
Ranger Shield Shadow
Maestro Shield Shadow
Wanderer Shield Shadow
Ninja Shield Shadow
Taekwon Shield Shadow
Doram Physical Shield Shadow
Doram Magical Shadow Shield
Super Novice Shadow Shield
Gunslinger Shadow Shield
Knight Shadow Shoes
Crusader Shadow Shoes
Blacksmith Shadow Shoes
Alchemist Shadow Shoes
Priest Shadow Shoes
Monk Shadow Shoes
Assassin Shadow Shoes
Rogue Shadow Shoes
Wizard Shadow Shoes
Sage Shadow Shoes
Hunter Shadow Shoes
Bard Shadow Shoes
Dancer Shadow Shoes
Thief Earring Shadow
Archer Earring Shadow
Swordman Shadow Earring
Merchant Shadow Earring
Acolyte Shadow Earring
Magician Shadow Earring
Swordman Shadow Pendant
Merchant Shadow Pendant
Acolyte Shadow Pendant
Thief Shadow Pendant
Magician Shadow Pendant
Archer Shadow Pendant

Weight: 1
Shadow Enhancement Box Shadow Enhancement Box

If a non class shadow item is refined to +7 or higher and placed within this box it will be enhanced with random options.
Weight: 1

Poring Capsule

If you get the Poring Capsule, consider yourself lucky! You can open up this item to receive one of the following:

Item Description
Poring Balloon Poring Balloon

A Poring balloon that floating over your head.
Somehow you feel really luck just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Adds a high chance a killed monster will drop Jellopy.
Marin Balloon Marin Balloon

A Marin balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Adds a chance of auto-casting Level 1 Quagmire when attacked by physical attacks.
Drops Balloon Drops Balloon

A Drops balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
DEX + 2
Increases item drop rate and experience gained from defeating a monster by 5%.
Santa Poring Balloon Santa Poring Balloon

A Santa Poring balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Increases Candy restoration by 200%.
Poporing Balloon Poporing Balloon

A Poporing balloon that floating over your head.
Somehow you feel really lucky just by wearing this.

Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Adds a high chance of inflicting Poison status on target when dealing physical attacks.
Metalring Balloon Metalring Balloon

A Metalring balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Adds a low chance of auto-casting Level 1 Strip Weapon on target when dealing physical attacks.
Devilring Balloon Devilring Balloon

A Devilring balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Adds a chance of inflicting Curse status on target when dealing physical attacks.
Angelring Balloon Angelring Balloon

An Angelring balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Increases White Potion restoration by 100%.
Ghostring Balloon Ghostring Balloon

A Ghostring balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Adds a low chance of auto-casting Level 5 Soul Strike when dealing physical attacks.
Arch Angelring Balloon Arch Angelring Balloon

An Arch Angelring balloon that floating over your head.
Somehow you feel really lucky just by wearing this.
Class: Headgear
Defense: 0
Weight: 1
Requires Level: 1
Usable By: All Jobs
Increases item drop rate and experience gained from defeating a monster by 5%.
Enables use of Level 1 Resurrection.

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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