And that is basically this list from the Armor Data spreadsheet minus those that are not fusable at all, correct? (I chose only 3, 4 and 5 * armors and removed all with spirit or water)

Armor of Phyrus
Armor of the Infernal
Assassin's Shroud
Battlesuit Remnants
Black Kaleidoscopic Raiment
Blazeborne Vanguard
Bone Harvester's Garb
Dark Prince's Royal Armor
Eldritch Keeper's Robes
Ethereal Garment
Guardian's Battlegear
Half-Dragon Warrior's Armor
Hunter's Garb
Kaleidoscopic Starmetal Raiment
Mantle of the Beast
Mountainvine Shroud
Pyromancer's Mantle
Ruby Plate Mail
Tectonic Mantle Armor
Tempered Battlegear
Wanderer's Shroud
Wicked Wraith