Board Thread:Questions and Answers/@comment-72.219.161.141-20121224175131/@comment-24.18.8.160-20121224231831

loot orbs. they're a way of reducing lag, though they can be counterproductive in multiplayer because a ghost lootball gets created a lot of the time.

If you REALLY want to collect them for fun, use something from redpower, or place a chest with a blackhole band.