Getting the Timeworn ArtifactsThe artifacts drop from any enemy in the area around King Mrgl-Mrgl, and one enemy drops around 3 artifacts. There are only Timeworn Jars in the area, and each of these containers have 17-20 artifacts within them, so make sure to pick these up as well.
You can loot up to 1000 artifacts before you have to turn them in, but note that this is a free-for-all PvP area, so you can be killed by anyone, and you drop all your artifacts upon death! So it's best to farm them when there are few people around, and turn them in often.
Getting honor this way is about the same pace as playing in regular battleground, but by farming this at off-peak hours, you can gain PvP levels without ever participating in PvP.