The Witherea

This doesn't exist in real Minecraft, it's fictional.

Witherea is the fourth dimension you'll go to after the Overworld, the Nether and the End. It's based off the Wither and has the gate way to the Depressed, the fifth dimension.

Land (General)

 * Wither Blaze (scarce)
 * Wither Ghast (common)
 * Wither Cube (scarce)
 * Witherfish (rare)

Land (Day)

 * Mini-Wither (common)

Land (Night)

 * Wither Creeper (scarce)
 * Wither Bunny (extremely rare)
 * Wither Skeleton (common)
 * Wither Zombie (scarce)
 * Mini-Arescet Wither (common)

Water

 * Wither Guardian (common)
 * Lieutenant Wither Guardian (common around Withering Temples)
 * Head Wither Guardian [boss] (2% chance spawn generally, 5% chance spawn around Withering Temples, 100% in Withering Temples)

--Under construction--