Quote Originally Posted by MirronTulaxia View Post
But the one Geomancer we saw didn't even use offensive based Water magic, and if we aren't limiting things to offensive water magic then there are no doubt other spells that use water aether for non-offensive purposes.
You're forgetting the Four Lords arc with the Swallows Compass and Sai Taisui. Adding in the lore about Ganen, the founder of Geomancy.
An entire dungeon based around Geomancy, offensive Geomancy to boot.
The AST quest is a footnote compared to all that.