Judgement is a recurring theme, often in conjunction with the Monster:

• Judgement of Mr. Eko, by the Monster ("The Cost of Living")
• Judgement of Ben, by the Monster ("Dead Is Dead")
• The Monster depicted with Anubis, Egyptian god of judgement

Other occurences:

• Judgement of Kate, by judge Arthur Galzethron ("Eggtown")
• Judgement in the Bible (Isaiah chapters 4 and 5)
• Pressurized Spatial Judgement in the DharmaWantsYou.com/Test 1