Terraria: New Universe/Bosses

This page lists the many, many bosses in Terraria: New Universe.

### King Slime

**King Slime** is the first boss of the game and the World King of the Forest, a massive blue slime wearing a golden crown with red jewels, created by the Slime God to serve as a leader for the Slime race. Prior to the encounter with the protagonists, he had devoured and encaged the Ninja within his own body. He is summoned by the Slime Crown in the Forest or at the end of a Slime Rain event, and when defeated leaves behind Slime Ore, which can be made into Slime Bars and Slime Tools, and the Solidifier, which is needed to smelt Slime Ore and use it and Slime Bars. His main attacks are leaping around, summoning Blue Slimes and Spiked Slimes to assist him in battle, and jumping high into their air and then slamming down on the ground. After he is defeated, the Ninja will also move into the Village once freed, and the Blue sphere on the Underworld door will open.

When defeated, he leaves behind the following items:

* 50-75 pieces of Gel
* The Solidifier
* 25-50 pieces of Slime Ore
* The Crown Jewel, a Swordsmaster accessory that increases life regeneration
* The Slimy Saddle, a mount-summoning item that summons the Slime Hopper minion
* The Slime Gun, a Rogue weapon that uses Gel to fire slime that slows down enemies and makes them vulnerable to fire
* The King Slime Mask, Trophy and Relic
* The Royal Gel, a Neutral accessory that allows the user to avoid hostility from most Slimes
* The Royal Gel, a Summoner weapon that summons the Prince Slime minion

### Subzero Serpent

The **Subzero Serpent** is the World King of the Tundra, a massive serpent-like creature with scales that appear to be made of ice and glowing red eyes. She is known as a dangerous hunter amongst the Tundra, adding to its already dangerous environment. She is summoned by the Subzero Crystal in the Tundra, and when defeated leaves behind Snow Mana, which can be made into Snow Tools, and the Arctic Medallion, which proves vital in enabling the protagonists to continue their exploration of the dangerous Tundra. Her main attacks are rapidly tunnelling through the snow and ice, summoning Snow Serpents to assist her, and breathing clouds of freezing breathes that can freeze a person alive and rapidly drain their life. After she is defeated, the Cyan sphere on the Underworld door will open.

When defeated, she leaves behind the following items:

* 15-20 Snow Mana
* The Blizzard Breaker, a Rogue boomerang that can freeze enemies
* The Icepick, a pickaxe
* The Serpent's Sting, a Gunslinger shotgun that can freeze enemies by converting all ammo used in it into Snow Shots
* The Icicle, a Mage tome that can be used to shoot icicles that freeze enemies
* The Snake Staff, a Summoner weapon that summons the Snow Serpent minion
* The Snowball Sentry Blueprint, a Engineer building that allows for the construction of Snowball Sentries
* The Subzero Serpent Mask, Trophy and Relic
* The Arctic Medallion, a medallion that provides protection from the unbearable cold of the Underground Tundra

### Grand Thunder Bird

The **Grand Thunder Bird** is the World King of the Desert, a gigantic gold and turquoise thunderbird and the ruler of the Vultures in the Desert region. It is known for its active opposition to the Light, and has been hunting their caravans and consuming humans prior to the encounter with the protagonists. It is summoned by loading a Storm Flare into the Flare Gun and firing it in the Desert, and when defeated leaves behind Sandstone Ingots, which can be made into Sandstone Tools, and the Digeridoo, the first instrument the group can acquire. Its main attacks are flying around, throwing razor-sharp feathers, emitting sonic screams, summoning thunderclouds to rain thunder, and summoning Spawn Hatchlings. After it is defeated, the Desert Acolyte will move into the Village, and the Yellow sphere on the Underworld door will open.

When defeated, it leaves behind the following items:

* 20-30 Sandstone Ingots
* The Digeridoo, the first Instrument found by the protagonists which can produce a note that can do piercing damage to enemies
* The Thunder Talon, a Swordsmaster sword that can cause a electrical shock that stuns enemies
* The Talon Burst, a Gunslinger bow that turns every arrow fired through it into Storm Arrows to stun enemies
* The Storm Hatcher, a Summoner weapon that summons the Storm Hatchling minion
* The Ancient Bird Mask, a vanity item
* The Grand Thunder Bird Mask, Trophy and Relic
* The Zephyr's Feather, a mount-summing item that summons the Grand Storm Hatchling minion
* The Desert Key Mould, a mould that is used to make the Desert Key when the Jungle Temple is entered

### Plantera

**Plantera** is the World King of the Jungle, a gigantic pink snapdragon with a humanoid core created by the Light and planted in the Jungle as a figurehead to prevent anyone from returning to it. She is unknowledgeable and confused, and simply attacks the protagonists due to the orders of the Light. She is summoned by breaking a Mystic Bulb in the Jungle, and when defeated leaves behind the Dimebag Axe, which proves vital for penetrating the Jungle Temple, and the Seedling, which brought the Pet Sapling to life. Her main attacks are clinging to objects with her vine-like hooks, firing poisonous spores, using her tentacles to grapple enemies from afar, and summoning Plant Spores to assist her. After she is defeated, Plantera takes on a human form and moves into the Village, and the Green sphere on the Underworld door will open.

When defeated, she leaves behind the following items:

* The Dimebag Axe, a electric guitar that interface with enemy defences via specific rhythms
* The Blade of Grass, a Swordsman sword that can poison enemies
* The Spore Sac, a Rogue weapon that creates multiple explosive spores around the user that are used as homing mines
* The Leaf Blower, a Mage magic gun that fires massive barrages of leaves at enemies
* The Flower Pow, a Summoner flail that can fire petals at enemies
* The Pygmy Staff, a Summoner weapons which summons the Pygmy Brothers minion
* The Remnants of Dawn, a Engineer accessory that allows the user to resist fall damage
* The Plantera Mask, Trophy and Relic
* The Seedling, a Summoner weapon that summons the Pet Sapling minion

### Queen Jellyfish

The **Queen Jellyfish** is the World King of the Ocean, a gigantic pink jellyfish with electrical powers that rules over the Jellyfish found in bodies of water around the world.