Hit Dice & Armor Class Scale

Hit Die Scale
All HDs are d8s, except for HD0 which is a d6. The biggest monsters going from this scale are up to 15ft tall and 25ft long. Anything smaller than a child is vermin not worthy being a monster (more worthy of a trap).

HD 0 - Human

HD 1 - Soldier

HD 2 - Wolf

HD 3 - Cow

HD 4 - Big Cat

HD 5 - Brown Bear

HD 6 - Polar Bear

HD 7 - Hippopotamus

HD 8 - Rhinoceros

HD 9 - Elephant

HD 10+ - Dragons & Super Heroes

Armor Class Scale
Uses Lamentations of the Flame Princess as a base.

AC 12 - Naked / Wood

AC 13 - Fur / Chitin

AC 14 - Leather

AC 15 - Thick Hide / Stone

AC 16 - Mail / Scales

AC 17 - Shell / Iron

AC 18 - Plate

AC 19 - Steel

AC 20 - Dragon