Guide:Surviving in the Hallow

The Hallow is considered an opposite to the Corruption or Crimson biomes, since it can spread like they can, and it has light themed items instead of the Evil biomes' Night or evil themed items. The biome will only generate when the Wall of Flesh has been defeated.

Overview
After defeating the Wall of Flesh, two diagonal strips in a "V" formation will infect the world. One side of the world will be Hallow, the other being Corruption/Crimson. The Hallow isn't as difficult as its evil counterparts, but it can still be a deceptively difficult biome. It is advisable you have:


 * For Melee: Night's Edge or Breaker Blade; the Night's Edge is good for damage and knock back, the Breaker Blade is good for reach. An Amarok (1/75 drop from the Snow Biome) can do a lot of damage. A Hel-Fire is similar, and inflicts On Fire!.
 * For Ranged: A Phoenix Blaster, Shotgun or Clockwork Assault Rifle will deal with most enemies. A Molten Fury or Hellwing Bow may be useful as well.
 * For Magic: A Flamelash is a great weapon to use for damage, and a Laser Rifle can be used to keep Unicorns and Pixies at bay. The first thing to do should be to get a Crystal Serpent (1/200 chance from fishing in the Hallow) or Sky Fracture.
 * For Summoner: You should not enter the Hallow until properly equipped with a Spider Staff. Most Pre-Hardmode summons cause too little damage to be effective against the large numbers of mobs rushing at you in the Hallow.
 * Movement accessories, such as Lightning Boots or a Blue Horseshoe Balloon.
 * It is almost required to have 400 Health.
 * A Reaver Shark or Molten Pickaxe is a the best prehardmode pickaxe to have around.

It goes without saying that if gear made with the new ores is obtained, it should definitely be used.

Surface
The Surface is the only place where Unicorn Horns and Pixie dust can be obtained. The two materials are useful for some recipes, most importantly the Greater Healing Potions and Holy arrows.

The Pixie is the most common enemy. It has moderate damage and health, and is moderately easy to knock around. Overall it isn't too big of a threat.

A Unicorn is a very fast mob that has high health, knock back resistance, and damage. The mob can easily catch a player off guard, but it can barely jump, so it is pretty easy to deal with if standing above it.

At night, the Gastropod will be found. It has high health, defense, and can shoot lasers. It is the most dangerous of the three surface enemies. But is considered a slime, so the Royal Gel will make it completely harmless.

Underground Hallow
This is one of the most important areas on early Hardmode, as this is where Crystal Shards and Souls of light are acquired. However, there are stronger enemies added to those in the regular Caverns, so caution is required.

Illuminant Slime are common and easy to deal with, they should be treated like a slime with higher stats.

Illuminant Bats are more difficult mob to deal with. With no Wings or a substantial movement accessory, they should be avoided, as they have higher stats than Giant Bats.

Chaos Elementals are the most dangerous when venturing the Underground Hallow. They are able to teleport, and have high health. They operate on Fighter AI, though, and it is easy to jump over them to attack, or keep distance. They can easily catch a player off guard, but they can be seen fairly easily since they glow in the dark.

Enchanted Swords are very rare, and they have a chance to inflict the Cursed debuff. They move through blocks, and charge towards you. If hit however, they will start spinning, being unable to move. This makes them rather easy to deal with.