Pokémon Masters EX: Best Serena & Whimsicott Sync Grid Builds

Serena & Whimsicott enter to bring a sweet Fairy-type offense that centers on opponents being paralyzed. It also helps with defense with opponents unable to quickly use their moves and even delay their sync move. Unfortunately, most of Whimsicott’s key skills are only unlocked at Sync Level 3, so she can be a heavy investment on your Gems and Orbs. She’ll need some Sp. Atk and critical-hit rate support, but she can also function more in her Tech role of buffing ally and debuffing opponent stats.

The Best Sync Grid Builds for Serena and Whimsicott are Sun Striker, Overpower, and Paralysis Sync Nuke.  

Universal Upgrades

HP +10

Defense +5

Sp. Atk +15

Sp. Def +5

Speed +10

Inertia

Paralysis Synergy 5

Universal Recommended Lucky Skill:

Critical Strike 2

Only Inertia and Paralysis Synergy 5 are shared between all three builds and for good reason. Inertia will increase Whimsicott’s sync move damage the higher her Speed stat is raised. She can raise it by +4 without relying on a refresh and many sync pairs increase ally Speed, so reaching max Speed and doubling Whimsicott’s damage is easy to do. Paralysis Synergy 5 increases move damage by 50% against paralyzed opponents.

You will need some sort of critical-hit rate support since Whimsicott can’t raise hers on her own. But she is best used for her offensive abilities, especially with how few usable Fairy-type sync pairs there are. Critical Strike 2 will increase her damage any time one of her attacks is a critical hit.

Sync Grid Builds

Sun Striker Build (Sync Level 3/5)

Total Sync Orb Cost: 750

Total Energy Used: 60

(Build Link)

Unique Upgrades:

Defense +5

Sp. Atk +10

Sp. Def +10

Speed +5

Semisweet Fairy Beam Power +25

Dauntless

Haste

Healing Sun 1

Speeding Sun 3

Sync Level 2:

Not Recommended

Whimsicott sports a minor Sun theme on its grid that you could pair with Lyra & Meganium, who can boost Sp. Atk, Speed, and critical-hit rate quickly with sunny weather. Speeding Sun 3 will speed up the move gauge recharge rate and Healing Sun 1 will restore a little bit of Whimsicott’s health after a successful attack. Both will only activate while the weather is sunny.

Sugar Rush! MP Refresh 2 has only a 30% chance of activating but it can help Whimsicott reach max Speed or give you another free move. Picking up Stun Spore Troublemaker 1 boosts the move’s accuracy from 90 to 100, meaning it won’t miss unless Whimsicott’s accuracy is lowered or the opponent becomes evasive.

Whimsicott’s Go Viral 9 passive skill will spread the paralysis to all valid opponents every time. Semisweet Fairy Beam gains +25 power and will take advantage of the paralyzed opponents, so making sure the sync move’s target has the status condition will be very important.

Overpower Build (Sync Level 3/5)

Total Sync Orb Cost: 738

Total Energy Used: 59

(Build Link)

Unique Upgrades:

HP +20

Defense +5

Sp. Atk +10

Speed +15

Semisweet Fairy Beam Power +25

Dauntless

Overpower

Sync Level 2:

Not recommended

Pair Whimsicott with another sync pair that will decrease opponent Sp. Atk, such as Erika & Vileplume, Viola & Masquerain, or Karen & Houndoom with this build. Overpower will increase Moonblast’s damage the more the opponent’s Sp. Atk is lowered.

The build grabs Dauntless, which prevents Whimsicott’s own Sp. Atk from being lowered, to reach Inertia. Semisweet Fairy Beam gains +25 power but it will not be affected by Overpower. The remaining parts of the grid are stat tiles grabbed in order to reach each of the passive skills.

Paralysis Sync Nuke Build (Sync Level 3/5)

Total Sync Orb Cost: 750

Total Energy Used: 60

(Build Link)

Unique Upgrades:

Sp. Atk +15

Sp. Def +10

Stun Spore Troublemaker 1

Sugar Rush! MP Refresh 2

Semisweet Fairy Beam Power +50

Haste

Sync Level 2:

– Semisweet Fairy Beam Power +50

– Haste

– Paralysis Synergy 5

+ Sp. Def +5

+ Moonblast Power +6

+ Moonblast Move Gauge Refresh 3

+ Cotton Spore Move Gauge Refresh 2

Whimsicott picks up Stun Spore Troublemaker 1 to improve the move’s accuracy from 90 to 100, meaning it will no longer naturally miss opponents. Sugar Rush! MP Refresh 2 helps Whimsicott and all of her allies reach max Speed with one activation.

Haste will prevent her Sp. Atk from being lowered. Sugar Rush! only raises Sp. Atk by +1 each time it is used, so it’s necessary to have an ally boost Whimsicott’s Sp. Atk to max. Semisweet Fairy Beam gains +50 power but stacking multipliers like Inertia and Critical Strike 2 will make it much more powerful.


At Sync Level 2, much of Whimsicott’s almost necessary skills are locked away, so it may be best to reserve most of your Orbs. Losing Paralysis Synergy 5 diminishes her damage output significantly. But, if looking to fill out her grid, picking up Moonblast Move Gauge Refresh 3 and Cotton Spore Move Gauge Refresh 2 can help alleviate some move gauge problems.

James Chow

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