Okay, so generally I'd want a Power dynamic ala Earthdawn: Martials =/= Mundane. Magicless characters are either Anti-Magic or NPCs. Mundanes are just people that use magic to boost their natural abilities, instead of shaping it into spells>Now, what sort of feats would you like an experienced, near- or at level cap caster to be able to achieve?
Raising the dead.
Teleporting entire cities.
Calling storms on a whim.
Hiding entire armies.
Creating incredible magical tools by infusing normal tools with magic runes.
Summoning powerful spirits.
Creating pocket worlds.
Perceiving huge tracts of land.
Perceiving aforementioned huge tracts of land from a large distances.>What sort of feats would you like an experienced, near- or at level cap martial to be able to achieve?
Cutting mountains in twain.
Cutting a warship with a toothpick.
Jumping from one continent to another in one leap.
Battling an entire army for 40 days and 40 nights without tiring. Underwater. While on fire.
Intimidating an entire army into retreating with just a few words spoken (or shouted).
Reacting fast enough to dodge a flying arrow and carve a message onto it.
Throwing a city into the air.
Hiding in plain sight.
Reading the newspaper two towns over.
Shooting the editor of that newspaper from two towns over for putting out such drivel.
Creating incredible magical tools by infusing legendarily well made tools with a few magic sigils.