Astrum Deus

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Astrum Deus
Astrum Deus.png
Statistics
Type Boss
Environment Surface
AI Type Astrum Deus AI
Max Life 225,000 total / 360,000 total /
400,000 total / 544,000 total
KB Resist 100%
Drops
Coins 30 Gold Coin
Item (Quantity) Rate
Starfall.png Starfall
20%
Nebulash.png Nebulash
20%
Stardust.png Stardust
• 50-80
100%
Hallowed Key.png Hallowed Key
20%
Treasure Bag (Astrum Deus).png Treasure Bag (Astrum Deus)
• in Expert Mode only
100%

Astrum Deus map.png
Map Icon

Astrum Deus are a Hardmode boss that must be defeated in order to allow Astral Ore to be mined. Instead of being a single large worm, such as The Destroyer, the boss is comprised of 10 smaller worms and a longer main worm that is invincible until the others are defeated.

Spawn[edit | edit source]

Astrum Deus can be summoned by using the Starcore at Night. Despite being connected to the Astral Meteor biome, they may be summoned anywhere. If Astrum Deus are not defeated by Dawn (4:30am), the boss will despawn.

Segments[edit | edit source]

Main Worm[edit | edit source]

Astrum Deus Head
(Main)
Astrum Deus Head.png
Statistics
Type Burrowing Enemy
AI Type Astrum Deus AI
Damage 110 / 176 / 184 / 264
Max Life 40,000 / 64,000 / 80,000 / 128,000
Defense (DR) 60 (15% DR)
KB Resist 100%
Astrum Deus Body
(Main)
Astrum Deus Body.png
Statistics
Type Burrowing Enemy
AI Type Astrum Deus AI
Damage 80 / 128 / 134 / 192 (melee)
74 / 124 / 130 / 186 (laser)
Max Life 40,000 / 64,000 / 80,000 / 128,000
Defense (DR) 75 (25% DR)
KB Resist 100%
Astrum Deus Tail
(Main)
Astrum Deus Tail.png
Statistics
Type Burrowing Enemy
AI Type Astrum Deus AI
Damage 55 / 88 / 92 / 132
Max Life 40,000 / 64,000 / 80,000 / 128,000
Defense (DR) 90 (50% DR)
KB Resist 100%

Small Worms[edit | edit source]

Astrum Deus Head
(Small)
Astrum Deus Head.png
Statistics
Type Burrowing Enemy
AI Type Astrum Deus AI
Damage 85 / 136 / 142 / 204
Max Life 18,500 / 29,600 / 32,000 / 41,600
Defense (DR) 60 (15% DR)
KB Resist 100%
Astrum Deus Body
(Small)
Astrum Deus Body.png
Statistics
Type Burrowing Enemy
AI Type Astrum Deus AI
Damage 70 / 112 / 117 / 168 (melee)
74 / 124 / 130 / 186 (laser)
Max Life 18,500 / 29,600 / 32,000 / 41,600
Defense (DR) 75 (25% DR)
KB Resist 100%
Astrum Deus Tail
(Small)
Astrum Deus Tail.png
Statistics
Type Burrowing Enemy
AI Type Astrum Deus AI
Damage 50 / 80 / 84 / 120
Max Life 18,500 / 29,600 / 32,000 / 41,600
Defense (DR) 90 (50% DR)
KB Resist 100%

Behavior[edit | edit source]

Astrum Deus behave like regular worm enemies, moving through blocks and attempting to ram the player. While they are normally affected by gravity, the worms will gain the ability to fly if the player strays too far from them. They fire lasers from their segments and occasionally summon Astrum Deus Probes.

One of the worms has multiple special Astrum Deus Probes spinning around its head, which shoot astral orbs that slow down over time and eventually stay in place. These orbs will soon form a minefield which the player must carefully weave through or avoid entirely. If the worm which the probes are orbiting is killed, they will quickly begin to circle a different worm.

One of the worms is spectral and has the ability to fly, no matter its distance from the player. This worm can only be hurt when the player has killed all of the other Astrum Deus. It is longer than the other worms and much more HP, but cannot carry probes around its head.

In Revengeance Mode[edit | edit source]

  • The probes surrounding one of the worms shoot more mines.
  • The worms are faster.

In Death Mode[edit | edit source]

  • Worms and lasers are faster.
  • Fires more astral orbs.

Summons[edit | edit source]

Image Name
Astral Probe.png Astrum Deus Probe

Tips[edit | edit source]

  • Compared to other worm enemies and bosses the player has fought before, Astrum Deus have much more defense which greatly reduces the amount of damage dealt by weapons. With this, weapons such as the Nimbus Rod will deal very little damage (especially in Expert Mode). Therefore, it is recommended to use a high damage piercing weapon.
  • Try and keep moving, and don't stay in one spot. The astral orbs and probes will make it too difficult to do so, and the worms will swarm you, so it's recommended you use speed increasing accessories or gear to outrun them.
  • Astrum Deus’ many minions and abundance of projectiles can, especially on less powerful computers, cause large framerate drops. This can be used to your advantage by turning frame skip off, giving you more time to process and dodge attacks.
  • Using a Gravitation Potion can help reduce the effects of the Extreme Gravity debuff by allowing you to get up and down much faster.
  • Using reforged Vampire Knives can deal good damage against the secondary worms, and decent damage against the main one if they hit its head.

Aftermath[edit | edit source]

Trivia[edit | edit source]

  • Astrum Deus' theme is Pest of the Cosmos, which was composed by the artist DM DOKURO.
  • "Astrum Deus" means "The Star God" in Latin.
  • Despite being a boss it doesn't have a Trophy.
  • Astrum Deus used to be a singular large worm boss. However, to make it more unique, the mod developer decided to split it into many with the spectral worm being the main boss.

Lore[edit | edit source]

Since ancient times, humans have looked to the skies with admiration and wonder; countless religions place their gods and their heavens amongst the skies. The sun was their god of warmth and life, banishing the darkness and offering hope. The moon was an idol amidst the night - a symbol of light, yet a beguiling one that beckoned with madness.

The stars, they once said, were no single gods. The wondrous stream of stars that stretched across the sky on cloudless nights - the source of those lights was a divine serpent of incomprehensible proportions. Its very nature was unimaginable, to the point that its presence in their reality could only be glimpsed through the countless stars its body birthed. As the collective faith of humanity gathered, it gave rise to the manifestation of their belief: a true god of the stars, soaring through the cosmos.

But even gods could be laid low. Conquering the land countless years after the god of the star's legend was born, the Jungle Tyrant looked to the skies and saw yet another realm to dominate - beginning by striking down Astrum Deus with his own Devourer of Gods. Empowered by those it had already consumed, the Devourer tore open the larger divine serpent’s gut and burrowed in, feasting on its body and killing it from the inside out before crushing its husk to pieces between its coils and scattering the remains to the cold void of space.

In ancient times, it was said that the god of the stars would descend upon the planet in its last days. Its body would infuse the earth with astral power and transform lesser lifeforms into its guardians. The power lingering in its corpse attracted worms to itself, empowering them so that they may grow - and Astrum Deus may one day return to the cosmos. Even when torn asunder, the god's corpse held power; just as the legend that gave rise to it claimed, those fragments of its body would one day fall to the planet and choose a successor to the god of the stars.

Characters: Enemies (List): Cosmic Elemental.png Pre-Hardmode • Shockstorm Shuttle.png Hardmode • Impious Immolator.png Post-Moon Lord • Calamitas.png Bosses
 
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