New Pokemon GO Update Introduces Shiny Zekrom, Reshiram and Kyurem Raids

Complete guide to December 2021 legendary raids with shiny hunting strategies and event optimization tips

December Raid Schedule Overview

Pokémon GO trainers have exciting opportunities ahead with Niantic’s December 2021 raid calendar featuring three legendary Unova dragons. The month brings both new shiny releases and returning favorites that will test your battle skills.

Legendary Raid Rotation Timeline:

  • From Wednesday, December 1, 2021 at 10:00 AM through Thursday, December 16, 2021 at 10:00 AM: Both Reshiram and Zekrom appear in five-star raids with their rare shiny variants potentially available for lucky trainers.
  • Starting Thursday, December 16, 2021 at 10:00 AM until Friday, December 31, 2021 at 10:00 AM: Kyurem takes over tier five raids, also featuring a chance to encounter its distinctive shiny form.
  • Mega Evolution Updates:

  • Wednesday, December 1st, 2021 at 10:00 AM to Thursday, December 23rd, 2021 at 10:00 AM: Mega Steelix makes its debut appearance in mega raids.
  • Wednesday, December 24th, 2021 at 10:00 AM to Friday, January 7th, 2021 at 10:00 AM: Mega Abomasnow returns to mega raids for the holiday season.
  • Additionally, every Wednesday throughout December features special Raid Hour events running from 6:00 PM to 7:00 PM in your local timezone. The scheduled appearances include:

  • December 1, December 8, and December 15: Reshiram dominates raid hours
  • December 1, December 8, and December 15: Zekrom appears simultaneously during these weeks
  • December 22 and December 29: Kyurem concludes the month’s raid hour events
  • Shiny Hunting Strategies

    Successfully obtaining shiny legendary Pokémon requires more than just luck—it demands strategic preparation. The base shiny rate for legendary raid bosses typically sits at approximately 1 in 20 encounters, meaning consistent participation is key.

    Optimize Your Catch Rates: Always use Golden Razz Berries and aim for Excellent throws to maximize capture probability. Since these dragons have relatively low catch rates, practicing your throwing technique beforehand can significantly improve outcomes. Curveballs provide a 1.7x multiplier that stacks with throw quality bonuses.

    Team Building Essentials: For Zekram, prioritize Dragon, Fairy, and Ice-type attackers like Rayquaza, Gardevoir, or Mamoswine. Against Reshiram, focus on Dragon, Rock, and Ground types including Garchomp, Rhyperior, or Tyranitar. Kyurem falls quickly to Fighting, Steel, Rock, and Fairy types—consider using Metagross, Conkeldurr, or Togekiss.

    Resource Management: Plan your premium raid passes carefully across the month. The simultaneous availability of Zekrom and Reshiram during the first half requires strategic allocation. Consider focusing on one legendary initially if resources are limited, then switching priorities during the second half for Kyurem.

    Advanced Raid Tactics

    Experienced trainers can employ several advanced techniques to maximize their December raid efficiency and shiny hunting success.

    Weather Advantage Utilization: Windy weather boosts Dragon-type attacks for all three legendaries and their counters. Snow benefits Ice-types against Zekrom and Reshiram, while cloudy conditions empower Fairy-types. Always check weather forecasts before raiding to capitalize on these damage bonuses.

    Remote Raid Coordination: Leverage remote raid passes to participate in raids worldwide, significantly increasing daily opportunities. Coordinate with global communities through Discord servers or Pokémon GO friendship apps to join raids in different timezones, effectively extending your raiding window beyond local raid hours.

    Damage Optimization: Master the fast attack cancel technique to squeeze in extra charged moves during raid battles. Proper dodge timing can preserve your strongest Pokémon for longer, potentially earning you extra premier balls for the encounter phase. Maximizing damage contribution rewards additional balls, directly increasing shiny capture chances.

    Common Mistakes to Avoid

    Many trainers undermine their shiny hunting efforts through easily preventable errors. Awareness of these pitfalls can dramatically improve your December raid outcomes.

    Timing Mismanagement: Don’t waste raid passes on the wrong days. Remember that Zekrom and Reshiram disappear on December 16, replaced by Kyurem. Similarly, Mega Steelix leaves on December 23 before Mega Abomasnow returns. Mark these transition dates to avoid missed opportunities.

    Resource Allocation Errors: Avoid spending all premium passes during the first week. The simultaneous Zekrom/Reshiram period might tempt over-investment, leaving insufficient resources for Kyurem. Balance your spending across the entire event period unless you specifically target one Pokémon.

    Team Composition Neglect: Never enter these high-level raids with recommended teams alone. The game’s suggestions often prioritize survivability over damage output. Manually selecting optimal counters ensures faster clears, more damage balls, and potentially more raids completed within time constraints.

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