LogFAQs > #882389004

I think it was 3.5 that used that rule and it was pretty dumb vs high AC characters since you are almost immune to crit hits all together.

AC was still....unlocked....meaning unlike in 5th edition, you could get some pretty insanely high ACs, and to hit was based on a d20 (still is in 5e, but AC is far more regulated).

This means you could get a character up to say a 30 AC, which means even someone with a +12 to hit, would only hit with an 18 or higher. So even if they rolled a 20, they would then need to roll an 18 or higher to actually crit you, which rarely ever happend (making you almost immune to crit hits right there).

My current DM loves crit hits and fails and won't allow feats that avoid crit fails (we have not yet had to use/determine what he will do with halfling luck, which normally lets you reroll a 1).

Basically though 20's mean someone amazingly good happened, and 1's mean something amazingly bad happened. There is no, did you actually do crit damage on your 20....you did, or had a crit success in something you attempted etc.

Halflings ability to re-roll 1's is pretty freaking huge if you think about it, especially if you have a very high chance to hit already (or save). Take dex checks for instance...especially with a class that gets evasion.

Any character can get a high dex save, and many can get evasion in a variety of ways, but....if they roll a 1, no matter how high their save is, they will fail. Still a high save character may only fail on a 4 or lower for instance.

In such a case, being a halfling, means that 25% of the time you would have actually failed (and critically failed), you actually roll again and almost certainly succeed. If your save is high enough to only fail on a 1.....you would literally be unable to fail (and in many cases you'll have advantage on dex checks, which even if you did fail on a 4 or lower, you would need to roll a 2,3 or 4 twice, to fail lol.

Halfling luck may be the most powerful racial ability by far to be honest.
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