Could be anything from a concept you gravitate towards often or maybe a trope you make use of more than you like.
For myself, I often find myself making way too many wandering adventurer groups, often treasure hunters. I find em really fun to make but I also have a lot of them.
Hubris leads to doom. Usually occultists or zealots trying to control powers beyond their comprehension in my fantasy settings, or scientists and politicians trying to control -natural- powers beyond their comprehension in my SF settings.