AetherShardsare a type of Crystal that you can use to upgradeTalentsin Call of Duty: Mobile. Specifically, theUndeadSiegezombie mode can be played either alone or with a team. However, to increase your chances of picking up Aether Shards, you will need to play matches inHardMode, meaning a strong team is highly recommended.
Killing zombies and beating the daily challenges often rewards you with Aether Shards and Aether Crystals, which you can then use to improve your Talents via theLobbyscreen. As well as this, you can also use the Shards to improve yourTurretWeapon,TurretArmor,Weapons,Toughness, andAdvancedTools.

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In order to stack up Aether Shards, you will need to form a team andbeat five nights of Undead Siegeon Hard Mode. This can be rather difficult, so it’s best that you assemble a strong team that shares a common goal. Having a teammate with a Turret Weapon at a higher Talent level will give you the edge needed to beat the later nights.
For more Call of Duty content, be sure to check outHow to play Outbreak Collapse in CoD Zombiesright here on Pro Game Guides.