Hi :) in the Phb pg 178 it describes difficulty classes as only being used in desperate or exciting circumstances however what If you are in a pointless situation could this require a difficulty class
closed as not a real question by SevenSidedDie♦, Brian Ballsun-Stanton Jul 17 '12 at 20:04
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Pointless rolls should always be avoided.
There are two broad reasons for this:
All that being said, it is ultimately up to the DM to determine when the players must roll. The final decision between rolling and not rolling should be made based on the following questions:
Does this roll add anything to the game? Is failure meaningful and interesting?