A new Wuthering Waves leak shows the potential stats and effects of Cantarella's signature weapon - Whispers of Sirens. It is a 5-star Rectifier that will be released in version 2.2 and appears to be a solid weapon that provides a lot of bonuses.
This article covers more details about the weapon's stats and its level-up materials.
Kuro Games has already confirmed that Cantarella is a 5-star character and a Rectifier user. Naturally, she will get her own signature weapon. According to a reliable leaker named @_hiragara_, the rumored Rectifier has the following stats and effects at level 90 and Syntonization Rank 1:
Whispers of Sirens appears to be a good weapon. It has a low Base ATK, but the wielder still gains an ATK boost from the passive. Additionally, the second stat bonus provides a lot of Crit. DMG and the rest of the passive increases the wielder's Basic Attack DMG and lets them ignore the enemy's Havoc RES, which is pretty amazing.
Also read: Unflickering Valor stats and materials
Listed below are all the items needed to level up Cantarella's signature weapon in Wuthering Waves:
You can obtain Crude, Basic, Improved, and Tailored Rings by defeating the Exiles. Meanwhile, you can farm the Lento, Adagio, Andante, and Presto Helixes in the Misty Forest Forgery Challenge in Huanglong and Abyss of Initiation Forgery Challenge in Rinascita. For Shell Credits, you can do the Simulation Training.