EPA
From Fallen London Wiki
With abundant <a href="/wiki/Southern_Wind" title="Southern Wind">Southern Wind</a>, 11 actions is 13 CP Nightmare and 1 <a href="/wiki/Oneiric_Pearl" title="Oneiric Pearl">Oneiric Pearl</a>. Suppose that you can reduce Nightmare by 2.5 CP per action and choose <a href="/wiki/Cast_it_into_the_zee" title="Cast it into the zee">Cast it into the zee</a>, that's 17.2 actions for 62.5 echoes. 3.63 EPA
