Critical success on 4+ dice

[JLV]

There's also a mention of page 38 of ITL which shows the automatic successes and automatic failures for up to 8 dice, as well as the Codex, which includes that information AND has the double/triple damage numbers and the break/drop weapon numbers for up to 7 dice (page 6 of the Combat section -- though that section disagrees with the tables at both ITL:38 and page 1 of the Saving Throws section)...