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What would you miss about 5E if you were playing AD&D?
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<blockquote data-quote="FormerlyHemlock" data-source="post: 7134586" data-attributes="member: 6787650"><p>Choose a score suitable to the monster. </p><p></p><p>As a rough rule of thumb: monsters that have spellcasting base their Magic Resistance on their spellcasting ability if they have it (thus, demons use Charisma). If the monster originally had Magic Resistance or Legendary Resistance, make MR equal to their spellcasting ability + proficiency bonus (this is partly a convenience choice so I can just read their MR right off their stat block, because it's equal to their saving throw). If the monster originally had both Magic Resistance AND Legendary Resistance, or is notable for being almost immune to magic (like an Illithid), give them spellcasting ability plus double proficiency bonus (essentially, Magic Resistance Expertise). I can imagine weak-ish monsters like low-level demons (CR 4 and under) for which I would not give them a proficiency bonus at Magic Resistance at all, and of course for the lowest level demons like lemures I would probably not give them MR at all.</p><p></p><p>But in the usual case it's convenient for me to just give ability + proficiency, and it works out okay. E.g. Erinyes gets Magic Resistance (+8) and is mostly immune to cantrips like Eldritch Blast--but since it costs her reaction, avoiding an Eldritch Blast is mutually exclusive with a Parry to avoid a melee attack. I could see an argument that this actually makes the Erinyes too strong against things like Wall of Force, and that it might be more fair for her to have only +4 (Cha only, no prof) and therefore a 50% chance at resisting a Wall of Force, instead of a 70% chance--but I haven't done anything about that yet. I'd love to hear your thoughts.</p></blockquote><p></p>
[QUOTE="FormerlyHemlock, post: 7134586, member: 6787650"] Choose a score suitable to the monster. As a rough rule of thumb: monsters that have spellcasting base their Magic Resistance on their spellcasting ability if they have it (thus, demons use Charisma). If the monster originally had Magic Resistance or Legendary Resistance, make MR equal to their spellcasting ability + proficiency bonus (this is partly a convenience choice so I can just read their MR right off their stat block, because it's equal to their saving throw). If the monster originally had both Magic Resistance AND Legendary Resistance, or is notable for being almost immune to magic (like an Illithid), give them spellcasting ability plus double proficiency bonus (essentially, Magic Resistance Expertise). I can imagine weak-ish monsters like low-level demons (CR 4 and under) for which I would not give them a proficiency bonus at Magic Resistance at all, and of course for the lowest level demons like lemures I would probably not give them MR at all. But in the usual case it's convenient for me to just give ability + proficiency, and it works out okay. E.g. Erinyes gets Magic Resistance (+8) and is mostly immune to cantrips like Eldritch Blast--but since it costs her reaction, avoiding an Eldritch Blast is mutually exclusive with a Parry to avoid a melee attack. I could see an argument that this actually makes the Erinyes too strong against things like Wall of Force, and that it might be more fair for her to have only +4 (Cha only, no prof) and therefore a 50% chance at resisting a Wall of Force, instead of a 70% chance--but I haven't done anything about that yet. I'd love to hear your thoughts. [/QUOTE]
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What would you miss about 5E if you were playing AD&D?
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