To consistently hit the 13 billion damage threshold in the Cookie Run: Kingdom Deep Sea War event, players must optimize their team synergy around specific high-output damage dealers. By leveraging the unique attack speed and crit-based mechanics of Creme Brûlée, Black Lemonade, and Wind Archer, you can create a composition that thrives in this raid-style environment. This guide outlines the essential team structure and topping requirements needed to maximize your output during the event.
Core Team Composition Strategy
The key to achieving massive damage numbers in the Deep Sea War lies in stacking buffs that amplify attack speed and critical damage. The recommended team consists of Wind Archer Cookie, Creme Brûlée Cookie, Black Lemonade Cookie, Tarte Tatin Cookie, and Mystic Flour Cookie. This setup focuses on maximizing the damage window provided during the raid, where sustained output is far more valuable than short-term bursts.
Creme Brûlée and Black Lemonade are the primary damage engines here. Black Lemonade provides essential synergy for the team, while Creme Brûlée’s ability to output high-frequency attacks makes him indispensable for raid bosses. When these cookies are combined with the support of Mystic Flour, the team maintains survivability while keeping the damage output consistently high throughout the duration of the fight.
Optimal Topping and Build Priorities
Your success depends heavily on the toppings you equip, as the stat requirements for this raid are specific. For Creme Brûlée Cookie, the focus must be on maximizing Attack Speed and Attack stats. Because his damage is tied to how quickly he can fire off his skills, any reduction in his attack speed will result in a significant drop in your total damage score.
For other members like Black Lemonade, focus on Critical Damage and Attack buffs. Ensure your toppings are fully upgraded to +12 to squeeze every possible percentage point of damage out of your units. If you are struggling to reach the 13B damage mark, re-evaluate your substats; look for Attack Speed, Critical Hit %, and Cooldown reduction to ensure your skills cycle efficiently without leaving gaps in your damage window.
Treasure and Skill Timing
The choice of treasures is as important as your cookie builds. Use the Squishy Jelly Watch to minimize cooldowns, the Dream Conductor's Whistle to buff your team’s stats, and the Librarian’s Enchanted Robes to specifically boost the attack speed of your two highest-attack cookies. The Robes are particularly critical here—ensure they are targeting your main damage dealers to maintain maximum attack velocity.
Timing is the final piece of the puzzle. While the raid is relatively straightforward, you must avoid manually interrupting your cookies' skill animations unnecessarily. Let the auto-battle cycle function naturally, as the skill rotation is designed to overlap buffs effectively. If you find your team dying too early, verify that your healer (Mystic Flour) has enough damage resistance substats on their toppings to survive the boss’s harder hits.
Troubleshooting Performance Dips
If your damage is falling below the target, first check your cookie levels and skill levels. All cookies in your raid team should be at max level with their primary skills fully upgraded. A common mistake is neglecting the skill level of support cookies; even if they aren't your primary damage dealer, their buff effectiveness scales with their skill level, which directly impacts the total output of the entire team.
Additionally, check your guild buffs or passive bonuses if they apply to the event. In raid modes, external factors like guild relics or seasonal research bonuses play a massive role in reaching the 13B+ ceiling. If you are still missing the mark after maximizing your build, consider swapping one utility unit for an additional damage dealer, provided your survivability remains high enough to finish the full timer.

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Player Comments
54 players commented on this guide.
This guide answered the exact question I had.
Nice guide. I am checking the other HOT articles next.
The explanation is clear, especially for beginners.
I wish I had read this before upgrading the wrong thing.