Tieflings are about the same size and build as humans. Your size is Medium.
Size
Raw data
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"entries": [
"Tieflings are about the same size and build as humans. Your size is Medium."
],
"raceName": "Tiefling (Dispater)",
"basicRules": false,
"raceSource": "MTF",
"_raceBaseName": "Tiefling",
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