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Earth is an Attribute that ARMS can have. It is signified more as an exception to the rule of having attributes than one on its own. Because of this, it is not considered an official attribute. However, there are certain effects that these ARMS will do when charged just like other attributes.

List of Dark ARMS
There are four ARMS with a Dark Attribute, with three being available at launch, and one more being added in version 3.0.0

Effects
Earth ARMS when charged have a slew of effects and damage increases compared to other ARMS where the effect is consistent across all ARMS of that attribute. They are as follows: