HAHAHAHAHA
I feel like that conversation got WAY past where I am in the game
We do tend to prattle around here. Hope you won't be too hard on us

but if you guys have any input as to how I could have done that run better please share.
Absolutely.
#1 - this is going to sound weird, but a
superb spellcasting combo is the elf
fighter. Key is mid-battle level-ups; fighter gets more frequent level-ups, elves give him a big tank of mana to use 'em.
#2 - when exploring with either WEYTWUT or ENDISWAL in your inventroy, it's usually a good idea to use them to break down walls or corral monsters. That way you're at least not wasting your mana. Plus ENDISWAL can charge up physical resistance.
#3 - when monsters are on fire from being hit by a fireball, they have reduced health regeneration. This effect is most noticable on low-level monsters. If you need to heal mid-battle, hit 'em with a fireball just before doing so.
#4 - when you drank a mana potion to kill the meatman it was a complete waste. If you had revealed exactly 1 tile you would have had 5 mana, and the meatman wouldn't have healed enough to survive the fireball.
#5 - keep in mind that consecutive fireballs stack for additional damage (look at the "burn" counter on the monster), and a wizard gets double the effect of most classes. This is why the level 3 zombie and meatman went down much easier than you thought they would. Also the ENDISWAL glyph for physical resistance would have helped enormously.
#6 - when you explore mid-combat, ensure you aren't at full health or mana. Try to always sequence things so you get to regenerate both health and mana. Since monsters only have health, you'll end up ahead if you're regenerating both.
#7 - you could have killed the level 6 goblin without a mid-battle level-up. Given that you needed to expend several monsters to do this to the meatman, you would have been better served killing the level six goblin.
#8 - it's always worthwhile to check out the stairs as soon as you encounter them. If it gives an immediate benefit, you want it as early as possible.
#9 - when the level 8 zombie would have been reduced to 1 hit point, you could have killed him. Fireballs has a rather odd "detonation" effect that can be used as a finisher in some circumstances. If you use a fireball against a monster, then attack another monster, the original monster takes additional damage.
#10 - after killing the zombie, you could have definitely pulled it off if you started the boss fight immediately. Your fatal mistake was killing the goo blob; you needed that level-up for the boss fight. If you'd converted everything your max mana would increase enough to allow for four consecutive fireballs. By using your level-up against the boss, that's eight fireballs for 294 damage. Your two potions could then be tapped for another three fireballs to bring you up to 438 damage. Your health potions and physical attacks would have been sufficient to do the rest. Alternately you could have used your health potions to fight the level 9 zombie and the other weaker monsters to get another level-up to fuel your mana-based onslaught.