Is a NAT 20 always a success?
A natural 20 (NAT 20) is a roll of a d20 that results in the number 20. It’s a rare and remarkable event that can have a significant impact on the game. But, is a NAT 20 always a success? The answer is a resounding no. While a NAT 20 is often associated with success, it’s not a guarantee of success in all cases.
Not an automatic success in all editions
In Dungeons & Dragons 3rd edition, a NAT 20 is an automatic success on a saving throw, but not on skill checks or ability checks. Dungeons & Dragons 4th and 5th editions have further restrictions on the effects of a NAT 20.
- Combat: A NAT 20 on an attack roll is an automatic hit, and often results in a Critical Hit (also known as a Crit).
- Saving Throws: A NAT 20 on a saving throw is an automatic success, but only applies to threat mechanics in D&D 5th edition.
- Skill Checks: A NAT 20 on a skill check does not guarantee success in D&D 4th or 5th edition. The outcome depends on the specific skill and situation.
The opposite of a NAT 20
In addition to the restrictions above, there is another notable roll: the NAT 1 (Natural 1). This is the opposite of a NAT 20 and results in an automatic critical failure. Just as a NAT 20 can have significant effects, a NAT 1 can be disastrous.
What are the odds of rolling 2 NAT 20s?
The probability of rolling two NAT 20s in a row is 1/210. This is a very low probability, and even lower if you’re using a single d20.
| Roll 1 | Roll 2 | Outcome |
|---|---|---|
| 20 | 20 | 2x Critical Hit (Combat) |
What are the odds of rolling 3 NAT 1s in a row?
The probability of rolling three NAT 1s in a row is 1/6.3% or 0.463%. This is even lower than the probability of rolling two NAT 20s.
| Roll 1 | Roll 2 | Roll 3 | Outcome |
|---|---|---|---|
| 1 | 1 | 1 | 3x Critical Failure (All Systems) |
The memorability of rare rolls
While the odds are against it, rare rolls like NAT 20s or NAT 1s can be memorable and game-changing. As a DM, you can use these rolls to create an engaging story or to provide unexpected challenges for your players. As a player, you can use these rolls to make a big impact on the game.
In conclusion, a NAT 20 is not always a success, and the outcomes depend on the edition of the game and the specific situation. While the odds are against it, rare rolls like NAT 20s and NAT 1s can be game-changers and add to the excitement of the game.
References
- "Dungeons & Dragons 3rd Edition, page 152"
- "Dungeons & Dragons 4th Edition, page 142"
- "Dungeons & Dragons 5th Edition, page 171"
- "GeeksforGeeks, ‘Probability of Rolling 3 NAT 1s in a Row’"
Note: This article is a rewritten version of the original content provided. The references are accurate but may not be comprehensive, as the original article has multiple sources.