Just did it!
HALPMEH on meatmen 3-4 levels above. Took out level 4 as level 2, level 6 at level 3, level 8 at level 4, and level 9 at level 5. I used other monsters too of course but, I had no corrosion, lowered resist, or weakening when I won.
Super Meatman at level 6: used whupaz potion, venom sword, HALPMEH, regen tactics, and no potions.
Tower of goo at level 7: Fireball twice then hit to poison. Regen 6, fireball and poison again. Repeat this tactic until you have no tiles. I used all mana potions, my schaudenfaud potion, and used no hp potions. Human with trisword prepared.
I can always find the glyph I want like this (works for rogue CYDSTEPP too): Scout altar, magnet: fireball. Find mystera use fireballs to bring piety to 10 and glyph magnet. It is great for namtar and avatar and it got me my HALPMEH glyph at level 1.
Thanks a bunch!
I speak chaos.