What is grim dawn aether cluster?

Grim Dawn is an action role-playing game developed and published by Crate Entertainment. In the game, Aether Clusters are a type of rare crafting material that can be used to craft items that boost various stats and give powerful bonuses such as resistance to certain types of damage or increased health. They can also be used to complete crafting quests in the game. Aether Clusters are obtainable through various means, such as defeating bosses, completing quests, and buying them from vendors. They are one of the most sought-after crafting materials in the game due to their rarity and usefulness.