There are ten different event bosses in Terraria. Some of these events have multiple bosses and almost every mini-boss and the boss will have their own unique drops that can progress your equipment, weapons, and armor. Knowing what to expect from each event can help you plan your progression and bridge the gap between the harder boss fights. This guide will show every event boss you can encounter in Terraria.
If you start the old one’s army event before entering hardmode, you will gain access to the tier one difficulty of this event. There will be five waves of enemies at this tier, and the last wave will contain one dark mage. He has 800, 1600, or 2040 health at tier-one depending on the difficulty your world is set to.
While the dark mage himself does not drop any specific weapons or armor, the defender medals you are awarded will allow you to purchase various weapons or armor from the tavernkeep.
The boss encounter for the old one’s army event, the dragon Betsy. She will fly across the screen quickly and breathes fire down onto your platform for the old one’s army. Betsy will spawn on wave 7 of the old one’s army event and the condition for completing this wave is simply to defeat Betsy. You are on a timer for this event as you need to keep the crystal alive to keep the event going. She has a chance to drop a unique item, one for every class, anytime you manage to defeat her.
Betsy had 50000, 75000, or 95625 health depending on your world’s difficulty setting. You can access wave 7 of the old one’s army by defeating the Golem in your world and going through waves of the event. Access the old one’s army through the tavern-keep NPC and build the accompanying arena to attempt this fight.
A miniboss of the pumpkin moon event is the Mourning Wood. This twisted and gnarled tree will launch fiery projectiles at you and can spawn in multiple groups the higher you progress through the waves. It will drop spooky wood, which can be used as a building material or crafted into furniture or summoner armor. Mourning Wood can also drop accessories or equipment that can serve as an upgrade.
As it is a miniboss, its health pool is not too high. It will spawn with 12000, 15600, or 19890 health. It is not too difficult to defeat on its own, but it can begin to spawn in the dozens in the later waves and can be difficult to handle.
The main boss of the pumpkin moon event, the Pumpking. It has two scythes that can launch projectiles at you, and it will change its attack depending on the face that it displays. This flying boss will drop unique weapons for each class, and it will spawn multiple copies during the last wave of the event.
While Pumpking will spawn as early as wave 7, you have to clear wave 15 in order to beat the pumpkin moon event. Clear waves of enemies until this boss spawns, killing the Pumpking will grant you chances at the unique weapons and items that it drops.
Similarly to the pumpkin moon event, the Everscream will spawn as a miniboss of the frost moon event. It will fire an array of pine needles at the player and can drop a sword or magic weapon for the player to collect. Like the Mourning Wood, multiple Everscreams can spawn at once during a Frost Moon.
Everscream has 13000, 16900, or 21547 hp depending on what difficulty setting your world is on. This miniboss will begin to spawn at wave 4 and will continue to spawn in groups the longer you make it into the frost moon.
Santa NK 1 is another miniboss of the frost moon event. This miniboss will drop ranger weapons and can fill your screen with projectiles to avoid. Once it is below half health, it will reveal a mechanical skull, and it will begin to attack more aggressively.
Santa NK 1 will spawn during waves 7-10 during the frost moon event. Like the other bosses of this event, you can have multiple Santa NK 1 spawn during this event. This miniboss has 18000, 23400, or 29835 health depending on the difficulty your world is set to.
The Ice Queen is the final boss of the frost moon event. She will spawn many icy projectiles to launch at the player and becomes more aggressive the lower in health she gets. The Ice Queen can drop a magic, ranger, and melee weapon for players to collect. Like the other bosses of this event, the Ice Queen can spawn multiple times in one wave and can quickly get out of hand. Luckily she is the only flying enemy of this event and can be kited around in the air to avoid attacks from the other minibosses.
The Ice Queen will begin to spawn on wave 11 and defeating her on later waves will increase the chances that she drops one of her unique items. If you manage to clear wave 15, any Ice Queen you defeat will have a 100% chance to drop her trophy item. The Ice Queen has 34000, 44200, or 56355 health depending on your world’s difficulty setting.
A mini boss that will spawn during the pirate invasion event. While defeating the dutchman is not required to clear the invasion, doing so will clear a large percentage of the event. Multiple Flying Dutchmans can spawn during the pirate invasion event. The dutchman will drop anything that regular pirates can at a higher percentage, but most of the drops are still below 1%.
The Flying Dutchman has 8000, 16000, or 24000 total hp depending on your world’s difficulty. It will only spawn during the last 50% of the invasion event and you do not have to defeat it to clear the pirate invasion.
Similar to the Flying Dutchman, the Martian Saucer is the boss of the martian madness event. This boss is made of four different turrets and an eventual core to defeat. It has two turrets and two cannons to destroy which each launch their own attacks. After breaking all four turrets, the saucer becomes faster and faster the lower its health gets. Surprisingly, its death ray attack deals more damage than any other attack in the game other than instant kill effects.
The Martian Saucer can drop weapons for every class and can be a desirable boss to hunt down due to its powerful weapon drops. You can find the saucer during the martian madness event, which requires encountering a probe and allowing it to retreat into space. It will begin to spawn after you have completed 30% of the event. The saucer has 27000, 54000, or 81000 health depending on what difficulty your world is set to.
While the pillars are not technically bosses, they are an event that is required to complete before attempting the Moon Lord. Each pillar represents one of the four classes in Terraria and you have to clear 100-150 minions to be able to break the pillar. The pillars themselves do not have any attacks, but the minions that spawn around each pillar are menacing and can make quick work of your health bar.
Once you defeat the Lunatic Cultist, four celestial pillars will spawn throughout the surface of your world. Destroying a pillar will drop fragments respective to its pillar and these fragments can be used to craft end game weapons and armor. Each pillar has 20000 health regardless of what difficulty you are playing on. There is no fail condition for the pillars and it will remember how many enemies you have defeated even if you die or quit the game.
There are six different events, each with their own boss fights to collect unique rewards that can help you progress through the game. Simply knowing that the event exists can be a game changer and shake up how you progress through tiers of equipment. No event is easy to tackle, but with the right equipment, you can easily upgrade your weapons, armor, and equipment for the harder bosses of the game.
Each pillar will require you to defeat 100/150 enemies depending on your world’s difficulty setting. Once you have accomplished this, you can attack the pillar. Enemies will continue to spawn until you destroy the pillar so try not to tunnel vision on the pillar during this event. Do not worry if you die, the pillar will remain vulnerable or remember the kill count you reached when you return.
You can craft a pumpkin moon medallion to summon the pumpkin moon event with 5 ectoplasm, 30 pumpkins, and 10 hallowed bars at a Mythril/Orichalcum anvil. Use this item at night to begin the event and attempt to reach wave 15. The event does not end after wave 15 and gives you more chances to kill Pumpkings and Mourning Woods for more drops.
You can summon the frost moon by crafting a naughty present and using it during nighttime. Craft this item with 20 silk, 5 ectoplasm, and 5 souls of fright at a Mythril/Orichalcum anvil. Like the pumpkin moon, this event does not end after wave 15 and gives you more chances to farm Everscream, Santa NK 1, and the Ice Queen.
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