Lumenfuchs' Dummy

• Fixed revert option for settings not working in worlds without cheats enabled.
• Added Seeker entity, which attacks mobs instead of players.
• Added advancement for the Seeker entity.
• Added Cleanser item, currently the only method deal over one damage to Dummies or Seekers.
• Added Seeker spawn egg and made Dummy spawn egg obtainable in Survival mode.
• Added loot table for the Dummy and Seeker entities.
• Reduced spawn delay for the Dummy entity's natural spawning.
• Removed chance for failure upon finding a valid block when attempting to spawn the Dummy.

See full changelog here.