Kachua's Secret Box
Kachua's Secret Box is a random-reward system. One Kachua's Secret Key is consumed each time the box is opened.
Location
- Kachua Key Seller: Prontera (140, 167)
- Kachua's Secret Box: Prontera (141, 170)
Required Item
- Kachua's Secret Key (Item ID: 23919)
- Opening the box consumes 1 key.
- Keep at least 10% free carrying capacity and sufficient inventory space before opening the box.
How to Purchase a Kachua Key
Talk to the Kachua Key Seller in Prontera and select one of these payment methods:
Cash Point Option
- Cost: 200 Cash Points
- Receives: 1 Kachua's Secret Key
- Bonus: 1 Gift Box (Item ID: 101604)
- Bonus: 5 Battle Manual x3 (Item ID: 14545)
- Bonus: 10 Yggdrasill Berry Box (10) (Item ID: 14232)
Gold Coin Bag Option
- Cost: 2 Bags of Gold Coins (Item ID: 670)
- Receives: 1 Kachua's Secret Key
- This payment option does not include the Cash Point bonus items.
How to Open the Box
- Obtain at least 1 Kachua's Secret Key.
- Go to the Kachua's Secret Box NPC at Prontera (141, 170).
- Select Open the box.
- Confirm the opening.
- One key will be consumed and the rewards will be placed in the inventory.
- The obtained rewards are announced to the server.
Reward Rules
Each opening grants:
- Guaranteed reward: 1 Cachua Coupon
- Random reward: 1 reward selected from the random reward pool below
The percentage shown below is calculated from the current server weight total of 4445. Rates are relative weights, so future changes to the reward pool may change the percentage.
Current Random Reward List
| No. | Reward | Aegis Name | Amount | Rate | Approx. Chance | Announcement |
|---|---|---|---|---|---|---|
| 1 | High Refine Guarantee | High_Refine_Guarantee
|
1 | 5 | 0.112% | Yes |
| 2 | Refine Guarantee | Refine_Guarantee
|
1 | 83 | 1.867% | Yes |
| 3 | SLD Boss Card Album | SLD_Boss_Card_Album
|
1 | 9 | 0.202% | Yes |
| 4 | AceCard Box | AceCard_Box
|
1 | 10 | 0.225% | Yes |
| 5 | Slayer Furious | Slayer_Furious
|
1 | 50 | 1.125% | Yes |
| 6 | Trident Furious | Trident_Furious
|
1 | 50 | 1.125% | Yes |
| 7 | Demonius Furious | Demonius_Furious
|
1 | 50 | 1.125% | Yes |
| 8 | Demonsword Furious | Demonsword_Furious
|
1 | 50 | 1.125% | Yes |
| 9 | Foxtail Furious | Foxtail_Furious
|
1 | 50 | 1.125% | Yes |
| 10 | Setaria Furious | Setaria_Furious
|
1 | 50 | 1.125% | Yes |
| 11 | FuriousCirclet DK | FuriousCirclet_DK
|
1 | 50 | 1.125% | Yes |
| 12 | FuriousCirclet ABC | FuriousCirclet_ABC
|
1 | 50 | 1.125% | Yes |
| 13 | FuriousCirclet SH | FuriousCirclet_SH
|
1 | 50 | 1.125% | Yes |
| 14 | FuriousBoots | FuriousBoots
|
1 | 50 | 1.125% | Yes |
| 15 | Refine Furious | Refine_Furious
|
1 | 50 | 1.125% | Yes |
| 16 | S Master Weapon | S_Master_Weapon
|
1 | 20 | 0.450% | Yes |
| 17 | S Master Shield | S_Master_Shield
|
1 | 20 | 0.450% | Yes |
| 18 | M Armor Box | M_Armor_Box
|
1 | 100 | 2.250% | No |
| 19 | M Shoes Box | M_Shoes_Box
|
1 | 100 | 2.250% | No |
| 20 | M Pendant Box | M_Pendant_Box
|
1 | 100 | 2.250% | No |
| 21 | M Earring Box | M_Earring_Box
|
1 | 100 | 2.250% | No |
| 22 | Blacksmith Bless Box 3 | Blacksmith_Bless_Box_3
|
1 | 30 | 0.675% | Yes |
| 23 | Shadow Hammer Box 3 | Shadow_Hammer_Box_3
|
1 | 30 | 0.675% | Yes |
| 24 | Shadow Up Box | Shadow_Up_Box
|
1 | 400 | 8.999% | No |
| 25 | Blacksmith Blessing | Blacksmith_Blessing
|
1 | 400 | 8.999% | No |
| 26 | S Enchant Essence | S_Enchant_Essence
|
1 | 268 | 6.029% | No |
| 27 | Shadow Refine Hammer | Shadow_Refine_Hammer
|
1 | 400 | 8.999% | No |
| 28 | Skill Shadow Cube | Skill_Shadow_Cube
|
1 | 420 | 9.449% | No |
| 29 | All Shadow Cube | All_Shadow_Cube
|
1 | 300 | 6.749% | No |
| 30 | Shadow R M Box | Shadow_R_M_Box_
|
1 | 300 | 6.749% | No |
| 31 | C Wing Of Fly 5Day Box | C_Wing_Of_Fly_5Day_Box_
|
1 | 400 | 8.999% | No |
| 32 | Brown Dia Box 3 7 | Brown_Dia_Box_3_7
|
1 | 400 | 8.999% | No |
Important Notes
- Rewards are random. A particular prize is not guaranteed unless it is specifically listed as a guaranteed reward.
- The reward rate is a relative weight, not a fixed independent percentage.
- Make sure the inventory has enough free slots and weight capacity before opening the box.
- The server may revise the reward pool, quantities, or rates during future updates.
- If a key is purchased with Bags of Gold Coins, the Cash Point bonus package is not awarded.
Quick Summary
- Key ID: 23919
- Box item used by the system: Main Lucky Box (Item ID: 23914)
- Cost per opening: 1 Kachua's Secret Key
- Guaranteed prize: 1 Cachua Coupon
- Random prizes per opening: 1
- Seller: Prontera (140, 167)
- Box NPC: Prontera (141, 170)
Last updated: 30 September 2026