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Pokémon GO Holiday Part 1 Research: Spark or Sierra?

By AmeliaFeb 11,2025

In Pokémon GO's Holiday Part 1 branching research, trainers face a crucial decision: aid Spark or Sierra. This guide clarifies the choices, helping you optimize your gameplay.

Pokémon GO Holiday Part 1 Research: Dates & Details

While the official Niantic announcement omits the free event research, it runs from December 17th to December 22nd, 9:59 AM local time. This three-part research, "Holiday Part 1," presents a choice after the initial tasks: assist Team Instinct's Spark or confront Team GO Rocket's Sierra.

Choosing Spark or Sierra: A Comparative Analysis

The core difference lies in the Pokémon types: Ice for Spark, Fire for Sierra. The reward encounters also differ. Let's examine each path:

Spark's Research: Ice-Type Focus

Pokémon GO Spark

Image via Niantic

Spark's research tasks center on Ice-type Pokémon. Completing Part 2 rewards an Alolan Vulpix encounter.

Part 2 Tasks & Rewards

Research Task Reward
Catch 10 Ice-Type Pokémon 10 Pinap Berries
Take 5 snapshots of different Pokémon 20 Poké Balls
Complete 5 Field Research Tasks 500 Stardust
Complete All Three Tasks Alolan Vulpix & 2000 XP

Part 3 Tasks & Rewards

Research Task Reward
Catch 25 Ice-Type Pokémon 10 Ultra Balls
Power Up Ice-Type Pokémon 10 Times 1 Golden Razz Berry
Collect MP from 3 Power Spots 100 Max Particles
Complete All Three Tasks Sandygast & 3000 XP & 2000 Stardust

Sierra's Research: Fire-Type Focus

Pokémon GO Rocket Leaders

Image via Niantic

Sierra's research emphasizes Fire-type Pokémon, culminating in a Shadow Vulpix encounter in Part 2. Part 3 rewards remain consistent with Spark's path.

Part 2 Tasks & Rewards

Research Task Reward
Catch 10 Fire-Type Pokémon 10 Pinap Berries
Take 5 snapshots of different Pokémon 20 Poké Balls
Complete 5 Field Research Tasks 500 Stardust
Complete All Three Tasks Shadow Vulpix & 2000 XP

Part 3 Tasks & Rewards

Research Task Reward
Catch 25 Fire-Type Pokémon 10 Ultra Balls
Power Up Fire-Type Pokémon 10 Times 1 Golden Razz Berry
Collect MP from 3 Power Spots 100 Max Particles
Complete All Three Tasks Sandygast & 3000 XP & 2000 Stardust

Conclusion: Your Choice

The optimal choice hinges on your desired Vulpix variant (Alolan or Shadow) and preferred Pokémon type for catching and powering up during the Holiday Part 1 event. Pokémon GO is available now.

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