FF Howler Core Development Materials A material used to break through weapons, ascend Resonators, and upgrade skills.

The Tacet Core of a special Howler. It takes the form of a seed emerging from a withered Tacetite Bloom. Life is brimming with endless possibilities. This core, akin to the seed of life, also contains infinite possibilities.
Sources
Synthesis - Purification
Synthesis - Transposition
Drop: Howlers