This WA will show on Lord Jaraxxas if you have the kiss debuff from the demon lady adds and will tell you to cast searing pain if you have enough time to cancel cast. Use the stop casting macros below to maximize your dps.

Stop casting macros are as follows:

IF no Decimation proc:

showtooltip Searing Pain

/stopcasting

/cast Searing Pain(Rank 10)

IF Decimation proc:

showtooltip Searing Pain

/stopcasting

/cast Shadow Bolt(Rank 13)

Enjoy, or don't, I don't care.

If you're using this WA for another caster class/spec, please credit me in your version.