From Fallen London Wiki

My current Dangerous is around 240, so it's a straightforward 100% success.

For you weirdos out there who want to hunt down the flavour text of failures in all situations, consider investing in a Weasel of Woe, then equipping it before doing what you intend to fail.

<a rel="nofollow" class="external free" href="https://fallenlondon.wiki/wiki/Weasel_of_Woe">https://fallenlondon.wiki/wiki/Weasel_of_Woe</a>