In Pokemon GO's Holiday Part 1 branching research, trainers face a crucial decision: assist Spark or Sierra. This guide clarifies the choices, helping you optimize your Holiday Part 1 experience. The event, running December 17th–22nd (9:59 AM local time), features a free research path with three sections. After completing the initial tasks, you'll choose your path.
Choosing Your Path: Spark vs. Sierra
The core difference lies in the Pokémon types and reward encounters. The choice isn't drastically impactful, but it significantly influences your focus.
Spark's Research:

Spark's path emphasizes Ice-type Pokémon.
Part 2:
| Research Task | Reward |
|---|---|
| Catch 10 Ice-Type Pokémon | 10 Pinap Berries |
| Take 5 snapshots of wild Pokémon | 20 Poké Balls |
| Complete 5 Field Research Tasks | 500 Stardust |
| Complete All Three Tasks | Alolan Vulpix |
Part 3:
| 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 |
Sierra's Research:

Sierra's path focuses on Fire-type Pokémon.
Part 2:
| Research Task | Reward |
|---|---|
| Catch 10 Fire-Type Pokémon | 10 Pinap Berries |
| Take 5 snapshots of wild Pokémon | 20 Poké Balls |
| Complete 5 Field Research Tasks | 500 Stardust |
| Complete All Three Tasks | Shadow Vulpix |
Part 3:
| 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 |
The Decision:
Your choice hinges on your preferred Vulpix (Alolan or Shadow) and the Pokémon type you wish to prioritize catching during the event. Pokemon GO is currently available.
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