Devsisters recently released the Sonic Water Cookie in Cookie Run Tower of Adventures, and players can unlock him from the in-game gacha. He is an Epic character with an affinity for the Water element. Since he has the Tagger role that reduces enemies' resistances, his build should focus on increasing his debuffing abilities for best results.This article highlights the best build and other details of the Sonic Water Cookie in Cookie Run Tower of Adventures.Guide for Sonic Water Cookie in Cookie Run Tower of AdventuresHere are the details of the Sonic Water Cookie in Cookie Run Tower of Adventures:AbilitiesPassive: Blue and Black BladesEach attack with Shadow Strike, his basic attack, charges the Secret Ninha Art: Azure Curse. When fully charged, the next Crescent Cut inflicts the hit enemies with Tempest Brand.Tempest Brand: Damage taken from Cookies is increased by 20%. Duration is 14 seconds.Basic attacks1) NormalThe Sonic Water Cookie performs up to three Shadow Strikes:First hit damage: 32% x2Second hit damage: 32% x2Third hit damage: 42% x22) Charged attack: Crescent CutSonic Water performs the Sonic Swipe attack, targeting the enemies in front. Its speed is increased if used with a basic attack combo. Crescent Cut does 100% damage.Also read: Cookie Run Kingdom Golden Osmanthus CookieSpecial: DaggerstepThe Sonic Water Cookie throws a damage at the nearest enemy to deal damage. If this ability is activated again within five seconds, the Cookie teleports to the enemy to unleash a Sonic Swipe Attack. Targets are also inflicted with Tempest Brand.Cooldown: 12 secFirst hit damage: 160%Second hit damage: 650%Ultimate: Hypersonic SlashWhen the Hypersonic Slash is activated, the Sonic Water Cookie in Cookie Run Tower of Adventures charges forward and delivers multiple Shadow Strike attacks. Then he jumps back and rushes toward his target to unleash the Sonic swipe attack. The final attack applies Tempest Brand on enemies.Cooldown: 30 secShadow Strike damage: 110% x6Sonic Swipe damage: 1000%PromotionsShadow Assassin (2 Star): Enemies afflicted with Tempest Brand take 15% more damage from Water Cookies.Assassin Stat Increase (3 Star): Attack, Defense, Health: +8%Darkness Assassin (4 Star): Damage of Daggerstep and Hypersonic Slash is increased by 20%Blue Assassin of Legend (5 Star): Sonic Water deals 15% more Water damage to enemies afflicted with Tempest Brand. The effectiveness of Shadow Assassin is also increased by 15%.Also read: Marbleberry Cookie in Cookie Run Tower of AdventuresBuildThe build options for Sonic Water are given below:ArtifactThe Flashy Entrance is the best artifact for Sonic Water Cookie in Cookie Run Tower of Adventures. This artifact increases his attack and boosts his debuffing abilities.Some other options are:Well-timed RechargeA Fulfilling MealA Warming MealNewest FormulaEquipmentFor equipment, players should use sets that increase Sonic Water's debuffing prowess. Additionally, focus on Elemental attack, Attack Percent, Crit Rate, and Crit Damage substats. A few examples are:Going BeyondGolden FineryFalling StarsGhost Creme SodaIce MintsWeaponsThe Sonic Blades are the best option for Sonic Water Cookie in Cookie Run Tower of Adventures. Other weapons he can use are:Fragrant Laurel BowGolden Orange Choco SpearBoomerang CandySturdy Baguette StaffCheck out our other articles on CR ToA:How to defeat Shamonkey in CookieRun Tower of AdventuresFrostrock Cookie in Cookie Run Tower of AdventuresHoneybear Cookie in Cookie Run Tower of Adventures