MysticalWiki

Parrying

This skill enables you to parry enemy attacks. This means that you
will not get hit as much during battle.  In order to parry, you will
need to either wield or hold a weapon, or hold a shield.

The classes that get the skill parrying are:

magic-user : Level  60 (fair)
cleric     : Level  30 (fair)
thief      : Level  40 (very good)
warrior    : Level  12 (excellent)
priest     : Level  25 (fair)
monk       : Level  19 (very good)
bard       : Level  18 (good)
darknight  : Level  11 (excellent)
wizard     : Level  55 (fair)
druid      : Level  60 (fair)
assassin   : Level  35 (excellent)
ranger     : Level  16 (good)
illusionist: Level  55 (fair)
paladin    : Level  11 (excellent)
pirate     : Level  35 (very good)
swordsman  : Level   6 (Superb)
rogue      : Level  30 (excellent)
necromancer: Level  55 (fair)