In Pokémon GO's Holiday Part 1 branching research, trainers face a crucial decision: aid Spark or Sierra. While official announcements omitted details on this free research (available December 17th-22nd, 9:59 AM local time), the choice impacts your Pokémon catching focus and reward encounters.

Choosing Your Path: Spark vs. Sierra

The core difference lies in the Pokémon types: Ice (Spark) or Fire (Sierra). The final reward (Sandygast) remains consistent, but the intermediate reward and task types differ significantly.

Spark's Ice-Type Focus:

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

Part 2 (Spark):

Part 3 (Spark):

Sierra's Fire-Type Focus:

Opting for Sierra emphasizes Fire-type Pokémon. Part 2 grants a Shadow Vulpix encounter.

Part 2 (Sierra):

Part 3 (Sierra):

Your decision hinges on your preferred Vulpix variant and the Pokémon type you wish to prioritize during the Holiday Part 1 event. Pokémon GO is currently available.