
Boson Astrolabe
Tier Ranking
Ranked #14 of 24 in Rectifier
Synthesized from multiple independent community sources, cross-checked before publishing.
Boson Astrolabe base stats
| Stats | Lv.1 | Lv.20 | Lv.40 | Lv.50 | Lv.60 | Lv.70 | Lv.80 | Lv.90 |
|---|---|---|---|---|---|---|---|---|
| ATK | 42 | 137 | 236 | 299 | 362 | 426 | 489 | 525 |
| Energy Regen | 8.6% | 15.4% | 22.1% | 25.4% | 28.8% | 32.2% | 35.5% | 38.9% |
Materials for Boson Astrolabe
- LF Exoswarm Core ×6
- MF Exoswarm Core ×6
- Spliced String ×6
- HF Exoswarm Core ×10
- Broken String ×8
- Solidified String ×6
- FF Exoswarm Core ×12
- Melodic String ×20
Path Observer
Increases ATK by 12%. After a Resonator in the team casts a Tune Break skill, it grants a 12% ATK increase and 12% Basic Attack DMG Bonus to the wielder for 14s.
Increases ATK by 15%. After a Resonator in the team casts a Tune Break skill, it grants a 13.5% ATK increase and 13.5% Basic Attack DMG Bonus to the wielder for 14s.
Increases ATK by 18%. After a Resonator in the team casts a Tune Break skill, it grants a 15% ATK increase and 15% Basic Attack DMG Bonus to the wielder for 14s.
Increases ATK by 21%. After a Resonator in the team casts a Tune Break skill, it grants a 16.5% ATK increase and 16.5% Basic Attack DMG Bonus to the wielder for 14s.
Increases ATK by 24%. After a Resonator in the team casts a Tune Break skill, it grants a 18% ATK increase and 18% Basic Attack DMG Bonus to the wielder for 14s.
Description
All Characters That Can Use Rectifier
Full list by weapon type — not limited to recommended characters.
Other Rectifier weapons
Frequently Asked Questions About Boson Astrolabe
How strong is Boson Astrolabe — is it worth using?
Within the Rectifier group, Boson Astrolabe ranks S (#14 of 24) with Main stat ATK 525 · Substat Energy Regen 38.9%.
How much stronger does Boson Astrolabe get at Rank 5 (max refinement)?
At Rank 1: “Increases ATK by 12%. After a Resonator in the team casts a Tune Break skill, it grants a 12% ATK increase and 12% Basic Attack DMG Bonus to the wielder for 14s.” At max Rank 5: “Increases ATK by 24%. After a Resonator in the team casts a Tune Break skill, it grants a 18% ATK increase and 18% Basic Attack DMG Bonus to the wielder for 14s.”
Who can use Boson Astrolabe?
13 characters in the Rectifier group can equip Boson Astrolabe.
How much Shell Credit is needed to fully ascend Boson Astrolabe?
Fully ascending Boson Astrolabe from Lv.1 to Lv.90 (all breach stages) costs a total of 330,000 Shell Credit, plus other ascension materials — see the materials table above.


















