★ Version 3.1 → Phase 2 Pull Strategy
┣ Luuk Herssen: Builds, Asc. Materials, Sig. Weapon
┣ Rerun: Gabrena Build, Asc. Materials, Sig. Weapon
┣ Mansion Event Guide | Bartending Recipes
┗ Tapes of Last Words | Soliskin | 3.1 Hidden Trophies
★ Exclusives: Tier List Maker | State of the Meta
Sigillum is a boss released in Version 3.1 of Wuthering Waves. See how to get to Sigillum and its location, tips on how to defeat it, its lore as well as its material drops!
| Sigillum Related Guides | |
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| Location and Rewards | Echo Skill and Info |

Sigillum is a new Weekly Boss fought via the Gate of the Lost Star portal in Tidelost Forest, northwest of the Resonance Nexus on the Frostlands Surface. Finishing Chapter 3 Act 3 of the Main Story allows it to appear normally on the map.

You may also take advantage of doing it in Early Access if you have not finished the story by going to the Guidebook then hitting Weekly Challenge.
The boss will appear here also should you discover its portal on the same area in Tidelost Forest prior to doing Chapter 3, Act 3 of the main story.
| Sigillum Strategy |
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Being hit with Echo Skill causes Sigillum to take on a status effect, Off Course, which makes it take 10% more damage per every unique echo that hits it, stacking up to 5 times. Make sure to use your Echoes when fighting this boss to keep the stack up.
Sigillum is another boss that likes to keep its distance to you and fly from a distance to launch attacks. This creates a gap that you must close in at to consistently damage the boss.
Make sure to have units that can close the gap with their aerial mobility like Aemeath or Phoebe to make the fight easier for you and make your attacks consistent.

Sigillum's unique special attack is a delayed Sword Dive Bomb that causes massive damage the closer you are to the center of the sword drop. Observe the opening sky rift and make sure to hit dodge slightly early when they appear and drop the sword.
You can also keep your distance slightly so you receive less damage, but it is best to avoid this prolonged drop attack.
This boss can be Tune Broken by applying Tune Break Skill as indicated by their glowing body and filled Tune Break meter to the left of their HP bar. Break the boss at every opportunity you can get to stun them.
Sigillum himself features several diving attacks that can be countered to interrupt their combo string, making the fight easier.
| List of Drops |
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Sigillum's unique drop is the Gold in Memory, an ascension material used by some Resonators.
During The Star That Voyages Far quest, it was revealed that Sigillum was created by Aemeath, after being trapped within Aleph-1's Voidspace. Aemeath was able to cross the space and time fabric, enabling her to witness multiple aspects of the past, including the time when Rover first came to Solaris. During this encounter, Aemeath saw for herself the reason why the Rover had to go to Solaris, and how his connection to his own people was severed by them after being left to his own devices, in a place totally foreign and distant from Rover's home.
Being his adopted daughter, Aemeath internalized the scenario unfolding after her eyes, feeling all the pain and sadness the Rover must've felt after being completely sequestered by his own people. The Rover's frequency that Aemeath was carrying with her was corrupted by the Voidmatter, which gave birth to Sigillum, hence the exact likeness of the voidspawn with that of Rover's face.
The Star That Voyages Far Quest Guide
Over time, Sigillum was able to trace the Rover's frequency, which resulted to Rover's own frequency leaking out of him. All of Sigillum's encounter with the Rover was solely to feast in his frequency, which in turn allowed him to gain consciousness and autonomy bit by bit. Eventually, Sigillum's plans shifted slightly, where he's also targeting the Exostrider's core that was in Rover's possession by that time, to gain access to the Stridergate.
As a resident of a realm past the Etheric Sea, Sigillum's internal directives led him to fulfill the desires of the Rover which is to get a glimpse of his original home, once more. As his autonomy evolved from feeding off of Rover's frequency, the less erratic his actions were becoming, and more apparent that the reason why he wants to get the Exostrider's core is to control the Stridergate to fulfill Rover's longing of getting back home.

| Boss Guides | |
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| All Boss Locations | All Weekly Bosses |
| All World Bosses | All Tactical Holograms |
| List of Bosses | ||
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Sigillum Locations and Guide

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