Hi , I was trying to edit some line and add some hits I get a good output , please try it and let me know what you think or if I need to change some thing. Suiseiseki <== Macro … Edit by me 
Sequences["FDK"] = {
StepFunction = [[
limit = limit or 1
if step == limit then
limit = limit % #macros + 1
step = 1
else
step = step % #macros + 1
end
]],
PreMacro = [[
/cast [combat] Pillar of Frost
/cast [combat] Anti-Magic Shell
/cast [combat] Desecrated Ground
]],
'/castsequence Frost Strike',
'/castsequence Howling Blast, Death Strike, Howling Blast, Howling Blast, Obliterate, Death Siphon',
'/castsequence Howling Blast, Howling Blast, Death Strike, Outbreak, Howling Blast, Howling Blast, Soul Reaper, Obliterate',
PostMacro = [[
/targetenemy [noharm][dead]
/use [combat] 13
/use [combat] 14
/script UIErrorsFrame:Hide();
]],
}