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Should You Choose Spark or Sierra in the Pokemon GO Holiday Part 1 Research?

By DanielJan 17,2025

In Pokémon GO's Holiday Part 1 branching research, trainers face a choice: aid Spark or Sierra. Niantic's official announcement omits this free research, focusing instead on Field Research and paid Timed Research. However, this free event research, running December 17th to December 22nd at 9:59 AM local time, presents a crucial decision after completing the initial tasks.

Choosing Your Path: Spark or Sierra?

The core difference lies in the Pokémon type focus and reward encounter. Both paths offer similar overall rewards in later stages, but the early encounter is key.

Spark's Ice-Type Challenge:

Pokémon GO Spark

Image via Niantic

Choosing Spark directs you towards Ice-type Pokémon. Completing Part 2 rewards an Alolan Vulpix encounter.

Part 2 (Spark):

Research TaskReward
Catch 10 Ice-Type Pokémon10 Pinap Berries
Take 5 snapshots of different wild Pokémon20 Poké Balls
Complete 5 Field Research Tasks500 Stardust
Complete All Three TasksAlolan Vulpix encounter, 2000 XP

Part 3 (Spark):

Research TaskReward
Catch 25 Ice-Type Pokémon10 Ultra Balls
Power Up Ice-Type Pokémon 10 Times1 Golden Razz Berry
Collect MP from 3 Power Spots100 Max Particles
Complete All Three TasksSandygast encounter, 3000 XP, 2000 Stardust

Sierra's Fire-Type Pursuit:

Pokémon GO Rocket Leaders

Image via Niantic

Selecting Sierra focuses your efforts on Fire-type Pokémon, culminating in a Shadow Vulpix encounter in Part 2. Part 3 rewards remain consistent with Spark's path.

Part 2 (Sierra):

Research TaskReward
Catch 10 Fire-Type Pokémon10 Pinap Berries
Take 5 snapshots of different wild Pokémon20 Poké Balls
Complete 5 Field Research Tasks500 Stardust
Complete All Three TasksShadow Vulpix encounter, 2000 XP

Part 3 (Sierra):

Research TaskReward
Catch 25 Fire-Type Pokémon10 Ultra Balls
Power Up Fire-Type Pokémon 10 Times1 Golden Razz Berry
Collect MP from 3 Power Spots100 Max Particles
Complete All Three TasksSandygast encounter, 3000 XP, 2000 Stardust

Your decision hinges on your preferred Vulpix form and desired Pokémon type focus for the event. Pokémon GO is currently available.

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