House Rules - Other
Rounding Ability
Modifiers - The prime example of this rule is on the use of a double
handed weapon, but it could be applied at other times when the same problem
is encountered. When an ability modifier is multiplied or divided, and
the result is a fraction, round using the ability score. For example:
Koth has a strength of 20, which is a +5 to damage. When he uses a
great hammer, his damage due to his strength is multiplied by 1.5, which is
7.5. We know the a 20 and a 21 strength have a modifier of +5.
Since 20 is the lower of the two, Koth would round down and the extra damage
done would be +7. When Koth gets a 21 strength, it will be +8.
Critical Hits - A critical cannot be threatened on a
roll which is also the minimum a character needed to hit the target.
For example, Koth threatens a critical on a 19 and 20. He has a +20 to
hit. The creature he is fighting has a 39 armor class. On a roll
of 19, he would hit but not threatened a critical. On a roll of 20, he
would threaten a critical.
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