Zenless Zone Zero: All Advanced Certification Seals & How to Get
Learn how to obtain and use Advanced Certification Seals in Zenless Zone Zero to increase your Agents’ level caps and enhance their combat abilities.
In the Zenless Zone Zero world, Agents are your team’s backbone, tackling dangerous enemies and unraveling the mysteries of New Eridu. To keep your Agents at the top of their game, you’ll need to master the use of Advanced Certification Seals.
These valuable resources are essential for increasing your Agents’ level caps and unlocking their full potential. This guide will walk you through everything you need to know about Advanced Certification Seals, from how to obtain them to their effects on different Agent specialties.
All Types of Advanced Certification Seals in ZZZ
There are five types of Advanced Certification Seals in Zenless Zone Zero, each corresponding to a different Agent specialty:
| Seal Type | Specialty | Rarity | Effect |
 Advanced Anomaly Certification Seal | Anomaly | B | Increases level cap to 40 |
 Advanced Defense Certification Seal | Defense | B | Increases level cap to 40 |
 Advanced Offense Certification Seal | Offense | B | Increases level cap to 40 |
 Advanced Stun Certification Seal | Stun | B | Increases level cap to 40 |
 Advanced Support Certification Seal | Support | B | Increases level cap to 40 |
All Advanced Certification Seals share the same rarity and primary function but are specific to Agents of a particular specialty.
How to Obtain Advanced Certification Seals
There are three main methods to acquire Advanced Certification Seals:
1. Combat Simulation
The primary source for all Advanced Certification Seals is the Combat Simulation mode in the VR Device. To unlock this feature, complete the “Explosive Last Train” commission in Chapter 1: Cat’s Lost and Found.
2. Crafting
You can craft Advanced Certification Seals using their basic counterparts:
| Advanced Seal | Crafting Recipe |
| Anomaly | 3 Basic Anomaly Certification Seals |
| Defense | 3 Basic Defense Certification Seals |
| Offense | 3 Basic Offense Certification Seals |
| Stun | 3 Basic Stun Certification Seals |
| Support | 3 Basic Support Certification Seals |
3. Dismantling Higher-Tier Seals
Dismantle higher-tier Certification Seals to obtain Advanced Certification Seals:
| Higher-Tier Seal | Dismantling Result |
| Controller Certification Seal | 3 Advanced Anomaly Certification Seals |
| Defender Certification Seal | 3 Advanced Defense Certification Seals |
| Pioneer’s Certification Seal | 3 Advanced Offense Certification Seals |
| Buster Certification Seal | 3 Advanced Stun Certification Seals |
| Ruler Certification Seal | 3 Advanced Support Certification Seals |
Agents and Their Corresponding Seals
| Seal Type | Compatible Agents |
 Anomaly | Grace, Piper |
 Defense | Ben |
 Offense | Billy, Nekomata, Anton, Corin, Soldier 11, Ellen, Zhu Yuan |
 Stun | Anby, Lycaon, Koleda |
 Support | Nicole, Soukaku, Rina, Lucy |
By mastering the use of Advanced Certification Seals, you’ll be able to push your Agents to new heights in Zenless Zone Zero. A well-promoted team is key to tackling the toughest challenges in the Hollows and uncovering the secrets of New Eridu. Keep honing your Agents’ skills, and may your adventures be filled with success and rare loot!
