I waffle back and fourth on using criticals and fumbles in the RPG campaigns I run. And when I do use them, it can be anything as simple as double damage or full on tables. These dice certainly simplify the use while still giving a nice variation of results.
The Minotaur for Old-School Essentials
*Requirements:* Minimum STR 9, Minimum CON 9
*Prime Requisite:* STR and CON
*Hit Dice:* 1d10
*Maximum Level:* 8
*Armor:* Leather, including shield...