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Why THAC0 Rocks
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<blockquote data-quote="Philotomy Jurament" data-source="post: 4690495" data-attributes="member: 20854"><p>This is one of those things that I just can't get that worked up about. I don't have a problem with BAB. I don't have a problem with THAC0. Heck, I don't even have a problem with "look at the chart on the screen or on your character sheet." It just isn't a significant factor, for me.</p><p></p><p>That said, one thing I like about the old AC system is that it allows some cool or interesting concepts about negative AC. For example, AC0 might be considered a "break point," or "highest AC possible without magic," with negative AC being the result of magic. Dave Arneson has used a rule where negative AC represents magic AC such that you need equal positive magic to overcome it; that is, if a monster has a -2 AC, you need a +2 weapon in order to damage it. </p><p></p><p>One thing I find interesting is that in the original D&D LBBs, your PC's <a href="http://www.philotomy.com/#armor_class" target="_blank">armor class was an actual <em>class</em></a>, and it indicated the kind of armor you wore. Dexterity doesn't modify AC, and <a href="http://www.philotomy.com/#magic_armor" target="_blank">magic armor doesn't either</a> -- it subtracts from the enemy's "to hit" roll. </p><p></p><p>(Robert Fisher writes about <a href="http://web.fisher.cx/robert/infogami/THAC0" target="_blank">some THAC0 approaches, here</a>.)</p></blockquote><p></p>
[QUOTE="Philotomy Jurament, post: 4690495, member: 20854"] This is one of those things that I just can't get that worked up about. I don't have a problem with BAB. I don't have a problem with THAC0. Heck, I don't even have a problem with "look at the chart on the screen or on your character sheet." It just isn't a significant factor, for me. That said, one thing I like about the old AC system is that it allows some cool or interesting concepts about negative AC. For example, AC0 might be considered a "break point," or "highest AC possible without magic," with negative AC being the result of magic. Dave Arneson has used a rule where negative AC represents magic AC such that you need equal positive magic to overcome it; that is, if a monster has a -2 AC, you need a +2 weapon in order to damage it. One thing I find interesting is that in the original D&D LBBs, your PC's [url=http://www.philotomy.com/#armor_class]armor class was an actual [i]class[/i][/url], and it indicated the kind of armor you wore. Dexterity doesn't modify AC, and [url=http://www.philotomy.com/#magic_armor]magic armor doesn't either[/url] -- it subtracts from the enemy's "to hit" roll. (Robert Fisher writes about [url=http://web.fisher.cx/robert/infogami/THAC0]some THAC0 approaches, here[/url].) [/QUOTE]
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