Physical
Defense
Caesar
Leader of the Sons of Calydon
Caesar King is a Physical Defense Agent with the strongest shield in the game: Radiant Aegis protects the active Agent, raises their Anti-Interrupt level and gives them +1,000 ATK. Her Additional Ability makes enemies take 25% more DMG, and she deals more Daze than any other Support. Newer Stunners and Supports outclass her buffs, but she remains a very comfortable, versatile pick.
Shield Support / hybrid Stunner
W-Engines





Drive Discs
Set effects
Set effects
Set effects
Set effects
Main stats
Substat priority
Stat targets
- Impact 145–170+ (most important: the shield scales on base Impact)
- HP 12,000+, DEF 1,000+
- CRIT Rate 50–60%+ and CRIT DMG 100–120%+ (optional, CRIT teams)
- Or Anomaly Proficiency 250–330+ (optional, Anomaly teams)
- ATK 1,400–2,000+ (optional)
Talent priority
Pick CRIT Rate on disc 4 and CRIT substats with Attack teams, Anomaly Proficiency with Anomaly teams. Stun W-Engines with an Impact main stat also raise her base Impact (only their main stat works, not their passive).
Recommended teams
Ye Shunguang & Zhao
Caesar's most used team in the current Shiyu Defense and Deadly Assault. Zhao's Defensive Assists activate Battle Spirit, and Ye Shunguang, who stays on-field, gets the full +1,000 ATK from the shield. Bangboo: Sprout (bonus with Ye Shunguang).
Soldier 0 - Anby & Trigger
Prydwen's highlighted synergy: Soldier 0 - Anby hogs the field, and Caesar adds Daze, the shield and the debuff in very little time. Trigger's Defensive Assists activate Battle Spirit. Bangboo: Plugboo (two Electric Agents).
How to play
Radiant Aegis (Core Passive)
- Her EX Special Attack: Parry Counter, Chain Attack, Ultimate, or Overpowered Shield Bash cast through Retaliation grant the squad a Radiant Aegis shield worth 1,400% of her base Impact + 1,400, lasting 60s.
- The shield sits on the active Agent: +1,000 ATK (lingers 5s after the shield breaks), higher Anti-Interrupt level, and no single hit can exceed its value.
- It only buffs the on-field Agent: off-field damage and swap-cancelled skills don't get the ATK.
Battle Spirit (Additional Ability)
With a teammate who can use a Defensive Assist, or a Sons of Calydon member, her Perfect Blocks, Retaliations, Defensive Assists and Basic Attack: Dead End make enemies within 7m take 25% more DMG for 30s.
Core combo
- When an enemy attacks, swap to her with a Defensive Assist (applies the debuff).
- Assist Follow-Up: Aiding Blade (grants Retaliation).
- EX Special Attack: Overpowered Shield Bash for only 20 Energy (refreshes Radiant Aegis).
- Swap back to your DPS.
Without an enemy attack: Parry Counter → Overpowered Shield Bash → Dead End (Dead End costs an Assist Point but applies the debuff on its own).
Tips
- Time her EX Specials or Special Attack into enemy attacks for a Perfect Block: it applies the debuff and makes the next Overpowered Shield Bash free.
- Use her Ultimate when enemies aren't Stunned: it deals +100% Daze to shielded enemies.
Strengths
- The strongest shield in the game, with extra Anti-Interrupt and a flat +1,000 ATK.
- Easy-to-maintain 25% DMG taken debuff for the whole squad.
- High Daze for a non-Stunner.
- Very flexible: fits almost any team as a shielder, buffer and hybrid Stunner.
Weaknesses
- Her shield's ATK buff only helps the on-field Agent, which hurts in teams built around off-field damage.
- Her best combo relies on Defensive Assists and Perfect Blocks, so you need to learn enemy attack timings.
- Few good W-Engines besides her signature.
- Recent Stunners and Supports give bigger squad-wide buffs.
Notable dupes · Mindscape Cinema
Free Radiant Aegis when she switches in (once every 300s), and enemies near the shield bearer lose 15% All-Attribute RES.
The shield's ATK buff rises to +1,500 and her Energy Generation to +10% while it's active. Game8's recommended stopping point.
3 extra Assist Points after a Chain Attack or Ultimate, and Overpowered Shield Bash can cost 1 Assist Point instead of Energy.
Guaranteed CRITs and big DMG bonuses on Overpowered Shield Bash and Aiding Blade: turns her into a real damage dealer.
Player builds for Caesar
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Sources & references
- https://www.prydwen.gg/zenless/characters/caesar
- https://game8.co/games/Zenless-Zone-Zero/archives/464303
- https://zzz.gachabase.net/agents/1071
- https://www.icy-veins.com/zenless-zone-zero/news/who-benefits-from-the-new-zenless-zone-zero-2-7-drive-discs/
- https://www.prydwen.gg/zenless/tier-list
- https://game8.co/games/Zenless-Zone-Zero/archives/435685