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 D20
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This article is a D20 reference page
The System Reference Document is a comprehensive toolbox consisting of rules, races, classes, feats, skills, various systems, spells, magic items, and monsters compatible with the d20 System version of Dungeons & Dragons and various other roleplaying games from Wizards of the Coast.
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Speed
This line gives the creature’s tactical speed on land (the amount of distance it can cover in one move action). If the creature wears armor that reduces its speed, the creature’s base land speed follows.
If the creature has other modes of movement, these are given after (or in place of) the land speed. Unless noted otherwise, modes of movement are natural (not magical).
System Reference Document -> Reading Creature Entries (SRD)