Shroomite armor

Shroomite Armor is the ranged version of the 3 endgame hardmode armors, along with Spectre Armor and Beetle Armor. It is better than the ranged Chlorophyte set, with more defense and ranged perks.

In order to get this armor, you must get an NPC called Truffle, who only spawns in a mushroom biome. After you have defeated Plantera, he will sell the Autohammer, which is used to convert Chlorophyte Bars into Shroomite Bars. You will need 54 Shroomite bars to craft a single set with one of the three helmets. This amounts to 810 Glowing Mushrooms and 324 Chlorophyte Ore, or 1170 Glowing Mushrooms and 468 Chlorophyte Ore for a full set with all three helmets.

When not moving or performing any action, you will immediately start entering stealth. Over the duration of 1.5 to 2 seconds, you will go through rapid stages of stealth that can be seen visually as partial, to near-full invisibility. During this time, weapon damage, critical strike chance and knockback will be adjusted, and will rapidly climb while stealthing, up to a 45% damage increase and an additional 10% critical chance at full stealth. This increase affects both weapon and ammo damage. The buff starts to fade quickly once movement begins again, but is not immediately dispelled.

Unlike most other Hardmode armors, this armor has three different helmets that all specialize in ranged ability, the difference between them lies only in what weapon type is boosted: arrows, bullets, or rockets. Some ranged weapons, however, do not receive a damage increase from any of the three helmets, although they still receive the benefits of stealth.

The two ingredients, Chlorophyte Ore and Glowing Mushroom, can both be farmed with little effort, making the set easily obtained over time.

Set
Set Bonus: Not moving puts you in stealth, increasing ranged ability and reducing chance for enemies to target you.

Tips

 * For the purpose of the helmet slot, the Stynger and Jack 'O Lantern Launcher count as rocket weapons, the Candy Corn Rifle and Coin Gun counts as bullet weapons, and the Stake Launcher counts as an arrow weapon.
 * The Star Cannon, Piranha Gun and Flamethrower do not receive a bonus from any of the helmets.
 * The set alone does not truly make you invisible, as the armor glows a deep blue. For PVP purposes, consider using vanity items (like the Familiar Clothes) to ensure you are completely invisible.
 * It takes a total of 54 Chlorophyte bars and 810 Glowing mushrooms to craft enough Shroomite bars to make leggings, a chest plate and one helmet.
 * When wearing Turtle Armour in your vanity slots, you become virtually unnoticeable in front of a Wood Wall.
 * If a full set of armor is worn in the Vanity Slots and it provides a visual effect (such as the pulsing aura and the afterimage of the Hallowed Armor), you can enter stealth and leave a transparent pulsing aura and also leaves a blue transparent afterimage if the full set of Shroomite Armor is worn in the Armor Slots.
 * When wearing a vanity item such as the Ninja Clothes that don't completely make you invisible, standing in front of an armored Mannequin appears to make you completely invisible. (Only Tested with Ninja Clothes)
 * [NEEDS TESTING] It appears in single player while stealthed, enemies have a much lower chance to spawn. While testing this during a solar eclipse, there were far fewer enemies spawning while stealthed than while moving. This may not in fact be due to enemy spawning but rather that with the decreased aggression of enemies, enemies sought out the player more rarely and thus were encountered less.
 * When using Flame and Black Dye with Ninja Clothes and Shroomite armor when you are in stealth and you are standing in front of moss wall or Spooky Wood Wall you will become completely invisible.
 * When in stealth and wearing Palladium armor you are very hard to see in front of any background. This might be the closest to invisibility possible with Shroomite armor.
 * The Rod of Discord can be used to change location without breaking stealth. This is useful in boss fights as you can avoid damage once in a while, while still keeping the stealth buff.
 * On Stealth mode Unicorns attack you and then they stand still next to you.



Trivia

 * Shroomite Headgear may be a reference to Hellgate: London marksman's 5-eyed helmet (2 other eyes in Terraria are on the other side of helmet, which will be visible if player turns) [photo ]
 * Shroomite Mask may be a reference to 'Splinter Cell' Sam Fisher's 3-eyed night vision goggles [photo ]
 * Redigit, the lead developer for Terraria, has implied that he prefers to use the Shroomite Armor.
 * Redigit has also stated on Reddit that he may be making changes to this armor in the 1.2.4 update, but no changes were actually made.