Bosses

## Pre-Hardmode Bosses

### Dune Sharkron

**Dune Sharkron** is an aggressive sand shark looking for his next meal. He has 2000 health (**3500 + numPlayers\*1500** in Expert mode) and is summoned with a Tasty Morsel in the desert. He can be fought outside the desert, but it has a different attack pattern when not swimming through sand. He periodically jumps at the player and shoots out spikes in all directions around himself. He is a very swift creature, so players without the ability to run should be well prepared for this fight.
Dune Sharkron's loot is focused on the Magic, Summon, and Mystic classes, as those classes do not get much attention in the early game of vanilla Terraria. The crafting material dropped can be used to craft various accessories and weapons for these classes. The Expert Mode drop is the Pyramind, which increases Mana, max summons, Potentia regen, and also makes the player unleash a sandstorm upon taking damage.

### Hypothema

**Hypothema** is a frozen abomination with has 3000 health (**5000 + 2000\*numPlayers** in Expert mode) and is summoned with a Chilled Mesh in the Snow biome. She starts out by shooting icy shards and can moving around. She also shoots out a swift-moving projectile that can homes faster from the player and each of projectiles inflict Chilled and Frostburn debuff.
Hypotherma drops ice-related melee and ranged theme weapons and accessories, as well as the Frosted Flake in Expert Mode, which unleashes ice shards upon taking damage and increases melee and ranged crit by 8%.

### Ragnar

**Ragnar** is a molten spirit with 3200 health (**4400+numPlayers\*800** in Expert mode) and is summoned with a Molten Mess in the Obsidium. He starts out by shooting rocks that explodes into multiple rock shards and can move around freely and will inflict On Fire! debuff. He will shoot more rocks and miniature rocks when below 25% life.
Ragnar drops vanilla-related weapons and accessories, as well as the Molten Core in Expert Mode, which makes all attacks inflict On Fire! debuff, increases throwing velocity and mystic duration by 30%, and unleases a burst of rocks upon taking damage.

### The Rock Twins

**The Rock Twins** are the champions caverns that are manually spawned underground respectively with the ancient awakener. It first starts with Dioritus, then Andesia, then both, and finally they combine in the end to form AnDio. The two bosses both have their own spins on each other's attacks, with their own respective debuff. Andesia inflicts For Honor! and Dioritus inflicts For Glory!.

## Hardmode Bosses

### The Annihilator

**The Annihilator** is a giant TV screen who summons multiple mechanical minions. He has 60000 health (**80000** in Expert mode) and is summoned with a Steam-O-Vision. He acts similar to the Brain Of Cthulhu and could be considered a Mech version of BoC. However, he doesn't teleport around and also has tons of more summons.
The Annihilator drops Souls of Thought and Steam Bars, as well as the Cog of Knowledge in Expert Mode, which increases max minions by 2. This accessory can also be used to create Steamspark Jetboots, Hands of Time and the Steampunk Watch.

### Slybertron

**Slybertron** is a giant mechanical slime who has 3 phases and shoots multiple steam-related projectiles. He has 60000 health (**80000** in Expert mode) and is summoned with a Steam Crown. He can be considered the Mechanical variant of King Slime in appearance and movement.
Slybertron drops Souls of Fraught and Steam Bars, as well as the Pipeworks in Expert Mode, which increases throwing damage by 15% and throwing velocity by 25%. This accessory can also be used to create Steamspark Jetboots, Clockface and the Steampunk Watch.

### Steam Train

**Steam Train** is a locomotive who charges across the screen and shoots homing steam projectiles. He has 60000 health (**80000** in Expert mode) and is summoned with a Suspicious Train Whistle. Unlike the other Steampunk Bosses, the Steam Train is a unique boss.
Steam Train drops Souls of Wrought and Steam Bars, as well as the Steam Tank in Expert Mode, which increases Mystic damage by 12%, increases movement speed by 25% and jump height by 2. It also reduces the cooldown between Mystic Bursts. This accessory can also be used to create Steamspark Jetboots, Time Winder and the Steampunk Watch.