Bearing that the lore usually primarily features artifacts and stuff that actually tremendously enhances, gathers or multiply aether (like Seal Rock's Horn stolen by Stahlmann/Travanchet, or Tupsimati, etc) rather than the opposite (especially since all life is aether, so removing it is basically killing stuff), but it doesn't mean such things don't exist though I have nothing special that comes to mind right now. I think you can be creative through different means.
I know it's an easy copt out way of doing things but the Void is often a good way to create many afflictions since most voidsent or void created artifacts directly consume, or suck on aether like nothing. Basically, Void stuff is a very convenient way of messing with magicks.
We know that the Void Mages of Mhach used to seal their summons through poweful magicks of control, akin to bindings. Allagans do the same with the elder primal Bahamut inside Dalamud. Omega does the same to Shinryu with menacles. So it's within the realm of possibilities to prevent things to move, use their magicks, or anything, though artifacts of various kinds. I don't know of anything subtle enough for that though, but why not? I mean, something able to just disturb specific magic waves like a teleport doesn't sound too stretched to me.
If it was a full magical barrier preventing or even nullying magic under its radius, you would bet that garleans would use such a portable, innocuous marvel. Most of those powerful barriers or forcefields we have seen so far are generally created by bulky and static generators (Magitek forcefields or Allagan impregnable barriers like around Crystal Tower or Azys Lla), and I don't recall anything specific just annhilating magic inside a certain radius.
But something just messing with specific magics? I don't see why not. The RDM quest also seems to introduce the concept of runes that can mess with people to the point of controlling them as puppets. Magical seals or at least magical inhibitors of various kinds as a concept, are thing.
Might need more sources to investigate on that, I'm mostly speculating through indirect means here.
Edit: now that I think of it, another approach could be through aspected crystals, that tend to disturb highly the aetherial composition of everything they touch.
I know it's an easy copt out way of doing things but the Void is often a good way to create many afflictions since most voidsent or void created artifacts directly consume, or suck on aether like nothing. Basically, Void stuff is a very convenient way of messing with magicks.
We know that the Void Mages of Mhach used to seal their summons through poweful magicks of control, akin to bindings. Allagans do the same with the elder primal Bahamut inside Dalamud. Omega does the same to Shinryu with menacles. So it's within the realm of possibilities to prevent things to move, use their magicks, or anything, though artifacts of various kinds. I don't know of anything subtle enough for that though, but why not? I mean, something able to just disturb specific magic waves like a teleport doesn't sound too stretched to me.
If it was a full magical barrier preventing or even nullying magic under its radius, you would bet that garleans would use such a portable, innocuous marvel. Most of those powerful barriers or forcefields we have seen so far are generally created by bulky and static generators (Magitek forcefields or Allagan impregnable barriers like around Crystal Tower or Azys Lla), and I don't recall anything specific just annhilating magic inside a certain radius.
But something just messing with specific magics? I don't see why not. The RDM quest also seems to introduce the concept of runes that can mess with people to the point of controlling them as puppets. Magical seals or at least magical inhibitors of various kinds as a concept, are thing.
Might need more sources to investigate on that, I'm mostly speculating through indirect means here.
Edit: now that I think of it, another approach could be through aspected crystals, that tend to disturb highly the aetherial composition of everything they touch.
Balmung:Â Suen Shyu
