The horn of valare thread got me thinking: what exactly was the reasoning behind creating a giant well of clean saidin? Everyone involved died in the process, and the feat seem to have very little real impact.
I imagine the horn (or banner, or seal) could have been protected in much the same way as the sword that is not a sword, so that purpose must have been secondary.
Those who made it had to know that there wouldn't be enough there to do anything entirely earth shattering: Rand brief
Thinking like an AoL Aes Sedai...
The world is breaking and stuff is getting lost. The continents and oceans are rearranging themselves. This sucks. We should probably make an effort to protect a few really important things, right?
Sure Callandor is in the prophecies, but when you get right down to it, it's just a poorly made sa'angreal. A nice ward and big chunk of stone will likely suffice.
The Seals are important, too, and we really don't want to lose them. Yet they're also c