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Full notes
Full Book Of Yog Idle RPG 依盖之书 update
Read the full published notes in a cleaner layout. The original post stays linked below.
What changed
- Gameplay
- Maps
- Events
- Balance
- Store
- Server
Book Of Yog Idle RPG 依盖之书 changes
Dear Commander:
We plan to start update maintenance on 15:00, February 5 (UTC+8). The maintenance is expected to take 120 - 240 minutes.
*Please pay attention to the community and in-game rolling announcements for specific times.
After the maintenance, please update the client to the latest version before start the game.
During the maintenance, the players will be forcibly disconnected and unable to login. Please logout before the maintenance to avoid any data loss.
The following is the introduction of update contents:
Gold Trading
Increased the weekly listing limit for equipment to 50 orders.
Otherrealm
Optimized the victory rewards for the hidden stage Bear Kingdom in Otherrealm:
Each successful challenge is guaranteed to drop at least 1 Archaic-quality equipment.
Higher Luck of the deployed team increases the chance of obtaining rare equipment.
Guild Ascension
The unlock requirement for the Guild Ascension system has been adjusted to Guild Level 1.
Mall Update
The [Spring Festival Bundle] will be available in the Limited-Time Bundle Shop.
Duration:2026-02-14 ~ 2026-02-28
Events
<2026 Spring Festival Redeem Code>
To celebrate the New Year, use the redeem code [HappyNY2026] between Feb 14 – Feb 24 to receive:
Sanguine Stone ×888, Covenant Crystal ×888, Dark Abyss Contract ×30.
Event Rule
Duration the Event, every【Sanguine Summon】will gain point, accumulate point to obtain massive pts reward. Event reward can be claimed up to 6 rounds
This event will have server/Cross server ranking, and will provide related ranking reward (The Heart of Summon leaderboard will be replaced)
Expected Event Duration
After update~2026.02.15 12:00, 2.15 15:00 ~02.26 12:00
Event Rule
During the Event, consume FP will have chance to drop event coin「Sakura Emblem」. 「Sakura Emblem」can be used to exchange various reward on event shop.
Expected Event Duration
2026-2-15 8:00 ~ 2026-2-21 12:00
Event Rule
During the event period, every 1 FP commander consume will gain 1 event point, accumulate point to certain amount will gain stage reward, there will be 7 stage, up to 6 rounds.
Single-server and Cross-server leaderboard will be set on this event, rewards will be distributed based on the total event points accumulated during the event.
Expected Event Duration
2026-2-15 08:00 - 2026-3-13 12:00
Event Rule
During the event period, every blackguard summon will give 1 point, accumulate points to obtain massive accumulative point reward.
Expected Event Duration
2026-2-22 08:00 – 2026-2-28 12:00
Event Rule
During the event period, every blackguard summon will give 1 point, accumulate points to obtain massive accumulative point reward.
Expected Event Duration
2026-2-22 08:00 – 2026-2-28 12:00
Event Rule
During the Event, Commander can obtain massive accumulative point reward after reaching certain Academy Cup point.
The Event will have separate Leaderboard, Blacktide Medal and Exclusive Avatar will be offered as ranking reward.
Expected Event Duration
2026-2-15 08:00 - 2026-2-21 12:00
Dark-Attribute Gear Sets — Ancient Forging Unlocked
- Feb 10 – Feb 27Spring Festival themed BGM will be available in the Main City for a limited time.
Cornucopia reset(Duration: 02-06—02-27)
Restored the SS Legend + Awakening entry in the Cathedral.
BUG Fixes and Other Optimization
Sasaya – Skill Adjustments
SANGUINE LV.3
Before:
[Blackflame Rush] prioritizes the enemy target with the lowest Max HP.
After:
[Blackflame Assault] prioritizes the enemy target with the lowest Max HP. When receiving fatal damage, grants Undying for 5s. If Tenacity exceeds 50, every additional 10 Tenacity extends Undying by 1s, up to +5s. (This effect has a 120s cooldown.)
[Divinity – Imprisoned Light]
Before:
Base activation chance of [Moonlit Night] +7.5% / 15%.
After:
Moonlit Night base activation chance +7.5% / 15%. Upon entering battle, all Blackguards in the team gain +2 Source Energy regeneration per second.
[Divinity – Eternal Gloom]
Before:
Upon entering battle, all Blackguards recover +2 Source Power per second.
After:
Umbral Pursuit activation chance +10% / 25%. When Umbral Pursuit triggers, it is cast instantly without playing the animation.
[Divinity – Hades]
Before:
Activation chance of [Umbral Pursuit] +25%.
After:
While Sasaya is in an Undying state, the cooldown of Moonlit Night becomes 1 second, its Origin Power cost is lowered to 10 and it affects all Black Guards in the team.
Fixed an issue where Perception +15 from Sasaya's exclusive weapon did not apply correctly when placed in the exclusive weapon slot.
Optimized an issue where some Blackguards failed to immediately cast their Ultimate after being affected by Moonlit Night.
Fixed an issue where the damage bonus in Journey Stories might not be granted correctly even when the conditions were met.
Source
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