Complete guide to Pokemon Go’s Halloween Mask Research with exclusive Yamask rewards and expert strategies
Introduction to Halloween Mask Research
Pokemon Go trainers now have an exceptional opportunity to add both Yamask variants to their collection through the limited-time What Lies Beneath the Mask Special Research.
The Halloween Mischief event introduces this exclusive Special Research story, presenting trainers with valuable Yamask encounters and rare Ghost-type Pokemon rewards for completing all research objectives.
Niantic perfectly captures the spooky season atmosphere with this October 2021 release, featuring new creature appearances, shiny Pokemon debuts, and this comprehensive Special Research storyline as part of Pokemon Go’s Halloween Mischief celebration. The event-specific research narrative titled ‘What Lies Beneath the Mask?’ provides trainers with the ideal method to obtain both standard Yamask and its Galarian counterpart, two species exclusively available during seasonal Halloween festivities. This Special Research becomes accessible starting Friday, October 15, 2021, at 10am local time and remains permanently available without time restrictions, enabling completion according to your personal schedule. Below, discover comprehensive details about all research objectives and associated rewards.
Niantic / The Pokemon CompanyTrainers can encounter Yamask with this Halloween-themed Special Research.
Step 1 Tasks and Rewards
Begin your research journey with these initial objectives and their corresponding rewards:
Yamask encounter, 9 Nanab Berries, and 4000 XP
Pro Tip: Complete Ghost-type catching requirements efficiently by using Incense during evening hours when Ghost Pokemon spawn rates increase naturally. The Duskull encounter provides an excellent opportunity to potentially catch a shiny variant, while the Nice Throws task helps practice your throwing accuracy for more challenging research steps ahead.
Step 2 Tasks and Rewards
Progress to the second research phase with these enhanced challenges:
Galarian Yamask encounter, 9 Razz Berries, and 4000 XP
Advanced Strategy: The costume Pikachu encounter represents a limited-time variant exclusive to this event. For the berry usage task, prioritize Pokemon with lower catch rates to maximize efficiency. The Curveball requirement helps develop advanced catching techniques that will prove valuable throughout your Pokemon Go journey.
Step 3 Tasks and Rewards
Advance to the third research tier with these more complex objectives:
Galarian Yamask encounter, 9 Pinap Berries, and 4000 XP
Expert Guidance: The diverse Ghost-type species requirement may challenge rural players. Consider visiting parks with multiple PokéStops or using Lure Modules to attract varied spawns. Alolan Marowak remains a coveted raid-exclusive Pokemon, making this encounter particularly valuable. The Pinap Berries will prove essential for maximizing Yamask Candy acquisition.
Step 4 Tasks and Rewards
Complete your research journey with these final objectives:
4 Yamask Candy, 9 Yamask Candy, and 4900 Stardust
NianticAre you ready for spooky season in Go?
Completion Bonus: The combined 13 Yamask Candy significantly reduces the walking distance required for evolution. With Yamask requiring 50 Candy to evolve, this reward provides over 25% of the necessary evolution materials. The substantial Stardust reward also helps power up your new Ghost-type acquisitions.
Comprehensive Rewards Analysis
The primary incentives within the ‘What Lies Beneath the Mask?’ Special Research include encounters with Yamask and Galarian Yamask, two species exclusively catchable in Pokemon Go during October’s Halloween celebrations. Accumulating sufficient Candy to evolve Yamask into Cofagrigus and Galarian Yamask into Runerigus presents significant challenges due to these Pokemon’s limited availability, but this Special Research additionally provides Yamask Candy as completion bonuses across all four research stages.
However, the rewards extend beyond these primary incentives, featuring encounters with additional Halloween-themed Pokemon including Banette, Alolan Marowak, and an exclusive costume Pikachu unlocked through each research stage completion. After finishing this Special Research narrative, explore additional features available throughout Creepy Companions and the broader Halloween Mischief event.
Evolution Strategy: Yamask evolves into Cofagrigus with 50 Candy, while Galarian Yamask requires 50 Candy and winning 10 raids to evolve into Runerigus. The candy rewards from this research provide a significant head start, but you’ll need to walk Yamask as your buddy or catch additional specimens during future Halloween events to complete both evolutions.
Expert Completion Strategies
Efficient Task Completion Methods: Focus on completing multiple research objectives simultaneously. When catching Ghost-type Pokemon, practice your throwing techniques to progress Nice Throw, Curveball, and Great Throw requirements concurrently. Use berries strategically on Pokemon with lower catch rates to maximize berry usage efficiency while working on catching tasks.
Common Mistakes to Avoid: Don’t transfer valuable Ghost-type Pokemon before completing the species diversity requirement in Step 3. Avoid using all your Pinap Berries before encountering Yamask. Don’t rush through tasks – the research has no time limit, so focus on quality completion rather than speed.
Advanced Player Optimization: Coordinate with local Pokemon Go communities to track Ghost-type nest locations. Use weather boosts (foggy weather increases Ghost spawns) to your advantage. Save your research encounters for times when you have available Pokemon storage and can use appropriate berries. Consider stacking similar research tasks from other Special Research stories to maximize efficiency.
Resource Management: The berries and Poké Balls awarded throughout the research should be conserved for challenging catching tasks. The Ultra Balls from Step 1 are particularly valuable for ensuring successful catches of the research encounter rewards.
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