I want to say that ES grantees your spell lands unless the mob is outright immune to that element. Have you missed an ES threnody that wasn't of the element the mob is incredibly strong/immune to? Because I haven't.
Edited, Jan 3rd 2012 4:03am by tertoonetwothreefour
There are two kinds of people in FFXI, those doing the laughing and those who don't know what's funny.