Extermination Mode

"Death and despair."

Extermination Mode is an option that can be selected upon world creation. It greatly increases the difficulty, and also offers exclusive items.

General

 * Enemies have 4x more health, do 4x more damage and receive 30% less knockback.
 * Bosses have new AIs.
 * Players drop all of their money on death.
 * 30% increased spawn rate.
 * New class crystals will rarely spawn underground.
 * Corruption and crimson spread 2x faster.

Enemies

 * All zombies will carry a zombie arm.
 * Bats will always inflict the Feral Bite debuff.
 * All slimes will be spiked.
 * Hornets will shoot stingers more commonly.
 * Demon Eyes and Wandering Eyes will sometimes quickly charge at the player.

Bosses
HP increased to 3,800
 * King Slime

Damage increased to 88

Defense increased to 20

Jumps more commonly, can sometimes shoot gel.

Extermination Mode drops (one of these will always drop) -

King Slime Staff - 50% chance to drop

Slime Barrage - 50% chance to drop HP increased to 5,000
 * Eye of Cthulhu

Damage increased to 50

Defense increased to 30

In phase 1 -

Spawns Demon Eyes, can sometimes shoots lasers. Charges like Spazmatism.

In phase 2 -

Sometimes spawns leeches, charges like Spazmatism in it's second phase.

Extermination Mode drops (one of these will always drop):