Storm Weaver

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Storm Weaver
Storm Weaver.png
Statistics
TypeBossBurrowing Enemy
EnvironmentSpace
AI TypeStorm Weaver (Armored) AI
Max Life100,000 / 160,000 (Phase 1)
700,000 / 1,120,000 (total)
KB Resist100%
Immune toAll debuffs except:
Shellfish ClapsEnraged
Drops
Coins30 Gold Coin
Storm Weaver map.png
Map Icon
Storm WeaverUnarmored
Storm Weaver (Naked).png
Statistics
TypeBossBurrowing Enemy
EnvironmentSpace
AI TypeStorm Weaver (Naked) AI
Max Life600,000 / 960,000 (Phase 2)
700,000 / 1,120,000 (total)
KB Resist100%
Immune toAll debuffs except:
Ichor (debuff)Shellfish ClapsEnraged
Drops
Coins30 Gold Coin
Storm Weaver map.png
Map Icon

Storm Weaver is a post-Moon Lord boss and is one of the Sentinels of the Devourer. It drops Armored Shells, which are a crafting material required to craft the Cosmic Worm.

The Storm Weaver does not spawn on its own and requires the player to summon it with the Rune of Kos. It must be summoned in the Space layer.

Segments[edit | edit source]

Phase 1[edit | edit source]

Storm Weaver HeadArmored
Storm Weaver Head.png
Statistics
TypeBurrowing Enemy
AI TypeStorm Weaver (Armored) AI
Damage140 / 280 / 350 / 402 (Contact)
150 / 248 / 285 (Lightning)
Max Life100,000 / 160,000
Defense 99,999
KB Resist100%
Inflicts debuffElectrifiedElectrified
100% chance
Debuff duration2 seconds (Lightning)
Debuff tooltipYou cannot move
Storm Weaver BodyArmored
Storm Weaver Body.png
Statistics
TypeBurrowing Enemy
AI TypeStorm Weaver (Armored) AI
Damage100 / 170 / 195
Max Life100,000 / 160,000
Defense 99,999
KB Resist100%
Storm Weaver TailArmored
Storm Weaver Tail.png
Statistics
TypeBurrowing Enemy
AI TypeStorm Weaver (Armored) AI
Damage80 / 136 / 156
Max Life100,000 / 160,000
Defense 0
KB Resist100%

Phase 2[edit | edit source]

Storm Weaver HeadUnarmored
Storm Weaver Head (Naked).png
Statistics
TypeBurrowing Enemy
AI TypeStorm Weaver (Naked) AI
Damage180 / 360 / 450 / 517 (Contact)
150 / 248 / 285 (Lightning)
Max Life600,000 / 960,000
Defense 0
KB Resist100%
Inflicts debuffElectrifiedElectrified
100% chance
Debuff duration2 seconds (Lightning)
Debuff tooltipYou cannot move
Storm Weaver BodyUnarmored
Storm Weaver Body (Naked).png
Statistics
TypeBurrowing Enemy
AI TypeStorm Weaver (Naked) AI
Damage120 / 204 / 234
Max Life600,000 / 960,000
Defense 0
KB Resist100%
Storm Weaver TailUnarmored
Storm Weaver Tail (Naked).png
Statistics
TypeBurrowing Enemy
AI TypeStorm Weaver (Naked) AI
Damage100 / 170 / 195
Max Life600,000 / 960,000
Defense 0
KB Resist100%

Behavior[edit | edit source]

Attacks[edit | edit source]

Phase 1[edit | edit source]

  • The Storm Weaver's body and head are nearly immune to all damage; the only way to deal significant damage is to hit its tail, which has 0 defense.
    • Damage dealt against the tail is multiplied by 10.
  • The Storm Weaver will spawn Stasis Probes when you attack its body.
  • The body will reduce the piercing power of all projectiles to 1.
  • The Storm Weaver will only attack you if you aren't on the ground, similar to the Crawltipede.

Phase 2[edit | edit source]

  • The Storm Weaver will shed its armor and reveal the flesh underneath; it will have no defense whatsoever in this phase, but compensates with higher speed, 500% extra health and increased damage.
  • The body will spawn stronger Stasis Probes when you attack it.
  • The body reduces the damage of piercing projectiles; the more the projectile can pierce, the less damage it will do.
  • Storm Weaver will now constantly chase the player, even if they are near or on the ground.

All Phases[edit | edit source]

  • Summons orbs that fire bolts of lightning at nearby players.
  • Leaving the Space layer will cause Storm Weaver to enrage, increasing its movement speed drastically.

In Revengeance Mode[edit | edit source]

  • Storm Weaver and the Stasis Probes are faster.
  • Lightning inflicts Electrified.

In Death Mode[edit | edit source]

  • Damage dealt against the tail is multiplied by 3 instead of 10.

Summons[edit | edit source]

Image Name Condition
Stasis Probe Stasis Probe (armored) Phase 1
Stasis Probe (Naked) Stasis Probe (Naked) Phase 2

Notes[edit | edit source]

  • Storm Weaver's health does not change in Revengeance Mode or Death Mode. It is the only boss aside from Ceaseless Void and the Profaned Guardians where this is the case.
  • In Phase 1, Storm Weaver does not have Damage Reduction like other bosses, instead, its head reduces any damage taken to 0, and its body reduces any damage taken to 1.
  • In Phase 1 when hitting the tail with Vortex stealth active, all ranged damage is halved and the player cannot inflict critical hits.
  • The tail in Phase 1 takes one eighth damage from hallowed stars from Holy Arrows or the Star Cloak, shards from Crystal Bullets, Icy Bullets, and Icicle Arrows, shards from Terra Bullets, and the split Terra Arrows.
  • All Phase 2 Storm Weaver segments take reduced damage from piercing projectiles. Projectile damage is divided by the number of times it pierces and infinite piercing is divided by five.

Tips[edit | edit source]

For more elaborate strategies on defeating Storm Weaver, including weapon and arena recommendations, see Guide:Storm Weaver strategies.
  • Stay on the ground and don't panic if you're almost dead. Panicking will often lead to you trying to outrun the Weaver, which is not possible.
  • Mobility is the key to this battle. Although it's hard to outrun the Weaver, using dash abilities or the Rod of Discord or Normality Relocator can save you from the massive damage caused by its head.
  • Gravity Normalizer Potions can be used to counteract the low gravity in Space allowing easier maneuverability.
  • For the first form use piercing weapons and weapons with a large blast radius, as these can help hit the tail of the Weaver. You can easily out-maneuver the first phase with Seraph Tracers by circling around the Storm Weaver while being in space. This method also helps dodge the Weaver's summons and fired laser beams.
  • The orbs that Storm Weaver fires do not deal contact damage, only the lightning bolts themselves.
  • Homing weapons are recommended for Phase 1 as they can easily hit the tail.
  • The Elemental Shiv is recommended for this fight due to the homing capabilities and the amount of projectiles it produces.
  • The Telluric Glare does good damage to Phase 2 with its piercing and ignoring immunity frames.
  • Nuclear Fury is an excellent choice with homing capabilities allowing it to easily hit the tail in Phase 1 and swarm weaver with typhoons in Phase 2.
  • The Shattered Sun does good in Phase 1 as it homes in on the tail, but Molten Amputators excel in Phase 2.
  • Elemental Axes are an excellent choice quickly dispatching Storm Weaver as well as easily managing the Stasis Probes.

Trivia[edit | edit source]

  • Storm Weaver's theme is a segment from Servants of the Scourge, which was composed by the artist DM DOKURO.
    • This theme contains a motif from The Devourer of Gods' theme.
    • If the Calamity Music add-on mod is disabled, Boss 3 will play instead.
  • Despite being a boss, Storm Weaver will not drop a mask, or a Treasure Bag in Expert Mode.
  • According to the lore, The Devourer of Gods is the same species as the Storm Weaver, meaning that it likely has the same type of flesh underneath its armor.

Lore[edit | edit source]

For all of their potential for growth and killing power, worms have been looked down upon by their enemies and regarded as little more than burrowing pests for centuries. However, the rise of the Devourer of Gods turned such a conception completely on its head, instilling a fresh wave of fear and paranoia into the world at large. Worms were no longer merely exterminated for being a nuisance, but actively hunted and wiped out. The Devourer's own species - already regarded with caution for their power to assimilate the abilities of their prey - was rendered virtually extinct within the span of a few short years.

It was only by the hand of fortune that the Devourer itself happened across the last of its species: a newborn worm that could hardly fend for itself, starving and on the brink of death. The Devourer took pity on its fellow kind and brought it to Yharim's forces, who restored it to health and outfitted it with armor akin to that of the Devourer. Despite having spared it once, the Devourer of Gods is highly aware of its protégé's potential, and would not hesitate to turn against the lesser worm should it grow strong enough to threaten its master.

However, that day has not yet come. The newly christened Storm Weaver resides in the outer reaches of the atmosphere, preying on the wyverns that roam the skies with it. Though lacking the advanced mind developed from assimilating countless human prey, it has enough capacity to process the orders given to it - while retaining the feral animosity of a beast to direct against those it hunts.