Necrosignal is the 22nd Cydroid synthesized in
Earth 2. It carries Rare status.

Being part of the 1st edition of Cydroids released, this variety has the capability of raiding properties within range, and extracting loose ether.

The Necrosignal Cydroid also has the ability to be fused with a Amber jewel in order to harvest Tungsten Occurrence Units (OUs),