The pure mage is the build everyone romanticises and almost nobody finishes from level 1. I've started maybe a dozen of them, abandoned most around Bleak Falls Barrow, and the ones that survived taught me the same lesson: Skyrim's early game actively punishes you for refusing a weapon, and you have to play around that, not pretend it isn't true.
So here's how I'd do it now, knife-free, from the Helgen cart onward.
The magicka problem is the whole problem
At level 1 you've got 100 magicka and that's it. Flames costs 14 magicka per second. Do the maths. You get roughly seven seconds of fire before you're a robed man in a cave holding nothing. There's no early-game equivalent of just swinging again for free. Every spell is a withdrawal from an account that refills painfully slowly, and magicka regen in combat is throttled to a crawl by default.
This is why the "pure mage" fantasy faceplants. New players dump everything into Magicka at level-up, cast until empty, then get clubbed to death by a bandit while waiting to refill. Don't do that. Early on I split level-ups Magicka/Health, leaning Health until I've got a comfortable buffer, because a mage who's alive and out of magicka can still run; a mage who's dead can't.
Two things actually fix the shortage. First, the Mage Stone near Riverwood for the 20% faster skill XP, and then later the Atronach Stone if you want absorb (it tanks your regen though, so know what you're signing up for). Second, and more importantly, gear and perks. The Magic Resistance and cost-reduction enchantments are what turn a mage from a glass straw into a fountain. Until you can craft or loot "Destruction spells cost X% less," you are rationing.
Destruction doesn't scale, and you need to hear that early
Here's the ugly truth the build threads dance around: Destruction damage is basically fixed. A Firebolt does the same damage at level 50 as it does at level 5. Your skill going up only reduces the cost, not the output. Enemies, meanwhile, scale with you. So the better you get at Destruction, the weaker your Destruction feels in relative terms.
The perks paper over this a little. The Augmented Flames/Frost/Shock perks give +25%/+50% to your element, the elemental tier perks add stagger and disintegrate effects, and Impact, the perk that staggers any target hit by two-handed dual-cast, is the single most important node in the tree because permanent stagger-lock is worth more than raw damage. But none of that changes the ceiling. Past a certain point you're throwing the same Incinerate into spongier and spongier health bars.
Which schools actually carry you
Destruction is the headline, but it's the supporting cast that keeps you breathing:
- Conjuration is the real early-game carry. A Bound Sword (yes, technically a weapon, fight me) levels Conjuration fast and gives you a fallback when magicka's dry, and a Flame Atronach is a second damage dealer that soaks aggro. Summon, let it tank, throw Firebolts from behind it. That's the loop that gets you through the first 15 levels.
- Restoration isn't optional. Fast Healing plus the Respite perk (healing restores stamina) keeps you upright, and Ward spells block the enemy mages that would otherwise delete you.
- Alteration gives you Oakflesh/Stoneflesh, your only real armour as a robe-wearer, plus the Mage Armor perk multiplier and magic-absorb later.
Illusion deserves a mention too. Muffle is a free, safe way to grind the school, and a level-appropriate Fury turning a bandit camp on itself is the most "wizard" thing in the game.
Does Destruction need the mods to feel viable?
I keep coming back to this. Vanilla, a pure Destruction mage works fine on Adept and falls apart on Master/Legendary, purely because of that no-scaling ceiling. The community fixed this years ago. Scaling-damage overhauls like Apocalypse, Mysticism, or the various "Destruction scales with skill" tweaks make the school feel like the nuke it's supposed to be. But it does sting that the most iconic fantasy class needs a load order to feel good at high level.
So I'll put it to the thread: have you ever finished a vanilla, unmodded pure mage on Legendary and genuinely enjoyed Destruction past level 40, or do you also reach for the scaling mods the second the bandits turn into bullet sponges?