LF Howler Core Development Materials A material used for Weapon & Resonator Ascension and Skill Upgrade.

The Tacet Core of a feeble Howler. It is the remaining part of a Tacetite Bloom after it withers. Despite its astonishing accuracy in mimicry, it only ends one way—reducing to a mass of twisted Frequency Energy.
Sources
Synthesis - Conversion
Drop: Howlers
Store
Forgery Challenge
Weapon Shop