From Fallen London Wiki

but it looks like cashing in memories of an anchorhold requires at minimum an equal number of memories of discordance, which would be an awful lot of aurochs hunting. it's worth 5.25 per anchorhold memory if you <a href="/wiki/Meditate_upon_the_Discordant_Law_(Discordant_Law_5-6)" title="Meditate upon the Discordant Law (Discordant Law 5-6)">meditate upon discordant law</a> (it doesn't matter which law), which appears to be the best value. but still terrible EPA if you have to go round up all those memories of discordance. if you have some laying around though, i guess this is what to do with them