Faster 1000 PVP kills for hidden artifact skin color

So in short, it can be any kills of the opposite faction(or same faction if in ffa)

So, the process can be sped up by having level 1 ressing at the spirit while your character with the legendary kills him.

1. Bring level 1 to any neutral graveyard.(opposite faction)
2. Bring your character with legendary to the same graveyard. 
3. Kill level 1
4. Resurrect at spirit.
5. Repeat until you get 1000 kills. 
6. Profit!