party of fantasy scouts.
your goal is simple: the Alliance knows the Empire is throwing a detachment our way. How big is the detachment, and what enchantments to they bring to bear?
Speak of this to the river faeries. They're kind to us, and they dislike the Empire's poisoning and redirection of their streams.
you have a MDAR, Mana Detection and Ranging, sensor. Measure incoming forces by how much enemy enchantments ding the MDAR.
MDAR jammer. Plant that runic spike down, pour liquid mana into the funnel, and make the enemy think someone's casting 18 Ignite Eyeballs every second.
see over hills with Bend Light rune, set to det after X seconds, flung from a sling. Makes a bubble of light.
the enemy using that same Bend Light to shoot Solar Ray into it. It doesn't kill, its only Bend Light, not Redirect Energy.
it DOES shine a massive spotlight on you.
use a Night Spyglass to see the sky as if its night. Mark constellations. use constellations for bearing [is that the right word?] for your arcane artillery. Lay down Sunstrikes in a crawling barrage.
Hide with Flesh to Bark.
Hide with Flesh to Stone.
Hide with Shift Dirt.
Throw Illusory Person over that hill. if they get crossbowed, try another hill.
try to escape with Move like Wind.