Siphon: Whenever you get a kill, you will regenerate 2 hearts, gain 2 levels and get a random tier 1 enchanted book. (The tier 1 book cannot be Fire Aspect 1 or Flame 1)
Enchant Upgrade: Every time you kill someone, all of your enchants get upgraded my one level.
Big Crack: A Chunk Error running on the X or Z axis splits the world in half.
Blockrush: Mining a specific block type for the first time gives you a reward, usually 1 gold ingot.