Guardian

Nature: Hostile

Dimension: overworld

Version: 1.8

Health: 30

Ender Dragon

Nature: Hostile

Dimension: end

Version: 1.0

Health: 200

Endermite

Nature: Hostile

Dimension: end

Version: 1.8

Health: 8

Blaze

Nature: Hostile

Dimension: nether

Version: 1.0

Health: 20