KEY-ADD  CONVERSION: AD&D                               TIER all

THE KEY -> AD&D (1e / 2e)
=========================
Draft 0.1. Correct these numbers at the table, not in modules.

TIER         1: levels 1-3    2: 4-6    3: 7-10    4: 11+

CREATURES
  Hit Dice   = Threat  (Threat 0 = 1-1 HD)
  THAC0      Threat  0   1-2  3-4  5-6  7-8  9-10  11-12  13+
             THAC0  20    19   17   15   13    11      9    7
  Hit points per Hit Die (fixed, or roll and adjust):
             Frail 3   Normal 5   Tough 7   Huge 9
  Armor (AC) None 10   Light 7   Medium 5   Heavy 3   Superb 0
  Harm       Weak 1d4   Normal 1d6   Heavy 1d10   Brutal 2d8
             Deadly 3d10            (per attack)
  Move       Slow 6   Normal 12   Fast 18
  Nerve      2d6 over Nerve breaks. For 2e's 2d10 morale use
             2 x Nerve - 4 (min 2). 1e: use the 2d6 rule.
  Saves      As a fighter of level = Threat.
             Body   -> Paralysis/Poison/Death (or Petrification)
             Reflex -> Breath Weapon
             Mind   -> Spells
             Hard   -> -2 to the save
  XP         By Hit Dice and specials, per your DMG/rulebook.

CHECKS   Ability check: roll d20 at or under the ability.
         Easy +4   Normal +0   Hard -4   Heroic -8
         (2e: use a proficiency instead when one fits.)

TREASURE   As printed (gp). XP for gold applies as normal.

MAGIC    Enchantment +N  -> a +N weapon or armor.
         Power: Minor = spell level 1-2, Major = 3-5,
         Mighty = 6+.  Scrolls: caster level = 2 x spell level.

















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