Interesting. Since i 10 box 8 dks and 2 healers i run 2 steps. basically i set up 1 spam key with obliterate, necrotic strike and frost strike. the second spam button i use with howling blast, plague strike, and frost strike so i periodically jus hit that second button in an attempt to use that rime proc. I dont know if there is any way in isboxer to set it up to it howling blast with rime so thats they best ive come up with