magic missile of course and fireballs etc but I found 2 other spells that may get overlooked (I'm posting this for noobs who are as frustrated as I was fighting these things) call lightning is awesome, AoE spell, obtainable fairly early, multiple strikes, and even when they save, still decent damage. I found melee and missles miss waaaay to much, even when buffed by heroism, divine favor, bless prayer aid etc. the other one is magic circle vs evil cast on the wisp itself, imprisons them they can't move so pick em off safely
