The Galvan

The Galvan are a subtype of humanoids. They were created in a long-lost sphere, perhaps by chance, a strange god, or a powerful mage. In any case, these beings integrate lightning and metal into their bodies from the moment they were born.

This is not the common defining factor, however, but the oddity of their souls. Whatever made the Galvan Souls didn't know how souls work, and the Galvan's souls came out much more aligned with the Spirits of elementals than the Souls of humanoids. This makes reviving them a slightly more challenging task, and leads to odd appearances on the Ethereal plane, but otherwise this fact is a strange quirk which defines their existence, rather than a major defining drawback for them.

The Galvan are so rarely seen on Halordain it's almost not worth talking about. They are common star travelers, however, which is why the word "almost" is in that sentence.

Androids
Humanoids made of 99% metal with organic hearts and a few other muscles. They can channel lightning through their metal forms to increase their physical abilities for a time.

Engi
Short metallic creatures made from several detachable pieces, which they may control independent of their body.

Lanius
8-foot tall metallic creatures which rip positive energy from the air and replace it with the negative energy which would ordinarily bring their bodies to rust. They also bear the magical talent to mend metals like clay.

Zoltan
Zoltans are humanoids with lime-coloured skin which permanently exude a minor amount of lightning into their environment. They tend to empower mechanical or lightning-based effects and creatures.