Talk:Wraith/@comment-5406744-20140323230029/@comment-24680207-20140619002834

There are a lot of goods and bads to destroying a Demon or Crimson Altar, the good thing is that you'll get hardmode ores from it, the bad thing is that every Altar you destroy, a Ebonstone/Crimstone and Pearlstone block randomly underground, making it hard to control the world. And that you could get completely mauled by Wraiths.