Onyxia is a modern elaboration of Onyx, from Greek onyx meaning claw or the black gemstone.
Onyxia is a modern elaboration of Onyx, drawing on the Greek word for the black gemstone and, in older association, claw. That gives the name a dark, polished, mineral quality, with a strong visual and tactile imagination behind it. Onyx itself already suggests durability and shine; Onyxia extends that into something more lyrical and name-like.
In modern use, Onyxia feels dramatic in a sleek way. It belongs to the class of names inspired by minerals, colors, and natural materials, where beauty is tied to hardness and depth rather than sweetness alone. The -ia ending softens the sharpness of Onyx, making the name feel more feminine and expansive.
Onyxia therefore has a striking balance: it is unusual, glossy, and a little mysterious, but still clear in its imagery. The name suggests black stone, ornament, and intensity, which gives it a contemporary edge with an ancient material feel.