So what are some of the features of different Old School Games and their clones that you dislike and why?
DO you have a house rule against the disliked feature?
How many of you use a miss-mash of many rulebooks and systems?
What is your final system or lack thereof like?
What is an RPG game breaker that you cannot tolerate?
Hit Dice: 10
Armor Class: 0 
Attacks: 4 Tentacles (1d6)+ Save or level drain, Bite or Claw (1d10) + Paralysis, and Spells
Saving Throw: 5
spells as 6th level Magic User, Drains level with save, Fear and Dread
within sight, Greater than human intelligence, Immune to non-magic
weapons, Magic resistance 40%, and Paralysis
Move: 12 (Fly 3)
Challenge Level/XP: 17/3500