Weapon Group (Crossbows)
( Unearthed Arcana, p. 95)[General]
You understand how to use crossbows.
Prerequisite
Benefit
You make attack rolls with the following weapons normally: heavy crossbow, light crossbow, repeating heavy crossbow, and repeating light crossbow.
Normal
When using a weapon with which you are not profi - cient, you take a -4 penalty on attack rolls.