The secret book upgrade material acquisition strategy for detectives

Jul 25 2025

In the Detective Story Record, the secret book upgrade requires the use of the secret key, the comprehension pill, the secret book residual page, and the comprehension experience. Many players do not know how to obtain these materials. Here is a sharing of the strategy to obtain the secret book upgrade materials in the Detective Story Record. Players who need it can refer to it.

Acquisition of secret book upgrade materials

Key:

The secret key is divided into two types: yellow secret key and red secret key. The yellow secret key is a general secret key, that is, secrets can be extracted from the secret pool of each different profession; the red secret key is a limited profession key, and secrets can only be extracted from the secret pool of the corresponding secret key name. At the end of March, the official updated the mechanism of 1 90 draw guaranteed guarantee for the six professional secret pavilions of the Distributor Pavilion, which means that the guaranteed guarantee can be triggered if the six secret pavilions draw 90 times (in the case of non-masters), and a new draw progress display will be added in the future.

Access ways:

Baiju Hall-Yunyou vendor purchase: In addition to buying discounted chivalrous orders every day, you can also check the price of the secret key. The secret keys will be sold in a limited quantity every day, and the discount will generally fluctuate between 60% and 90% off.

Secret Realm Adventure/Daily Exploration Adventure/Daily entrusted: Tianbao Secret Realm of Tiantiantai/Daily Exploration Adventure/Daily entrusted a total of 5 secret keys will be randomly dropped. You must do it well every day to ensure that the keys are available when you need to draw secrets in the future.

The number of layers of the Thousand Machine Tower/The main line limited BOSS: The red secret key will be placed for the clearance reward of the Thousand Machine Tower, and at the same time, a small number of red secret keys will be placed after the main line limited BOSS.

(Paid cost-effective Max) Weekly Card & Monthly Card: Weekly Card & Monthly Card can also obtain secret keys every day. For small krypton players, it is a cost-effective Max gift package. If you want to improve your sense of long-term play, don’t miss these two gift packages. (The secret key is calculated by Barter Hall - Yunyou vendor 60% off, that is, 660 silver taels per piece)

Enlightenment Pill:

There are six types of comprehension pills, such as Jue, Ji, A, B, C, and D (grades decrease from left to right in turn). The higher the grade, the rarer it is. The comprehension pill is used to upgrade secrets; at the same time, the lower level comprehension pills can be used to exchange for advanced comprehension pills in the Barter Hall-Yunyou Vendor.

Access ways:

Si Tiantai-Biography Copy: There will be a chance to win the comprehension pill for 3 free battles every day. The higher the number of comprehension pills, the more comprehension pills you can get. For novices, this is the channel for steadily obtaining the comprehension pills every day.

Si Tiantai

(Old Monster at the Lake): You can use the buns you obtained from the dispatch to feed the old Monster at the Lake Lake every day.

(Not visible light): You can obtain a small amount of advanced understanding pills (it is not recommended to use food other than buns to feed the light without seeing, and there is no difference between the amount given by feeding the buns).

Fengshui Treasure Land: A mark of Fengshui Treasure Land is buried in the main map of each chapter. Complete the verification of Fengshui Treasure Land and defeat the inner demons, you can obtain a large amount of comprehension pills.

Secret Realm Adventure/Daily Exploration Adventure/Daily Commissioned Obtain: These three will randomly drop a few enlightenment pills every day. Although there are few mosquitoes, no matter how small they are, they are still meat. Be sure to cherish them.

Secret Books Remaining Pages & Understanding Experience:

The secret book remains page is converted from the duplicate secret book extracted and used to upgrade the secret book to a higher level; the understanding experience is converted from the overflow secret book remains page.

Access ways:

Treasure Hunt and Exploration Extraction

When the existing repeated secret book is extracted, the secret book will automatically be converted into a secret book breaker; when the obtained secret book breaker exceeds the number required to upgrade the secret book, it will be converted into comprehension experience.

Bargoyment Hall-Secret Store Purchase

For extra insights, you can redeem secrets here. The secret store will have the information that indicates the secrets. You can choose to redeem secrets as needed to redeem secrets for secrets.