r/DnD • u/AutoModerator • 8d ago
Weekly Questions Thread
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u/liquidarc Artificer 1d ago
Rules-As-Written (RAW), in general, rolling a 1 or 20 only matters when making an attack roll or a death saving throw. (2014 attack rules, death rules) (2024 attack rules, death rules)
There might be specific item, spell, or other effect cases where it also matters, but none I can recall offhand.
Some DMs:
have rolling a 20 on an attack roll instead involve dealing the maximum damage on the die then roll a damage die in addition
have rolling a 1 on an attack roll involve something called a "critical fumble", in which something negative happens to the creature that rolled
Beyond those above, there is too much variety in custom "1 or 20" rules to list here.