High Allagan Aetherstone

[Ignnis]

How do you get the high allagan Aetherstones? Are they dropped in the coils, crafted or purchased from an npc? Thanks.

[ExKage]

Drops from Coil, all coffer 1

T6:
High Allagan Aetherstone - Head Gear
High Allagan Aetherstone - Foot Gear

T7:
High Allagan Aetherstone - Hand Gear
High Allagan Aetherstone - Leg Gear

T8:
High Allagan Aetherstone - Head Gear
High Allagan Aetherstone - Hand Gear
High Allagan Aetherstone - Foot Gear

T9:
High Allagan Aetherstone - Weaponry
High Allagan Aetherstone - Body Gear

[Ignnis]

Thanks! After search through every npc I figured it was either from coil or a desynth item (God forbid).