I will upload more later and think of a origin of some sort.
Torsos a bit under armoured and exposed, I also don’t think the lower legs look like they fit
Do you mean " Wielder", coz I don’t see any welding equipment?
It looks a bit basic, like a rahkshi doubled up on arm day.
Some closer pictures would be nice .
Okay and idk if it would make sense but they wield a weapon that is a blade that have a crystal fused into it
noun: welder; plural noun: welders
a person who welds metal.
“he worked as a welder in a steel factory”
If it’s a description of the being, you could use synergist.