Quote Originally Posted by KvdM View Post
A more logical conclusion would be that there's something wrong with the castsequence you're using. I highly doubt that blizzard would add all these extra spells (that have a higher dps per cast time) if they did not boost your dps when used correctly.
I could be wrong, but I dont think this is about what's in the sequence, instead it's about:

/cast Ligntning Bolt

being better than:

/castsequence Lightning Bolt

However, as you say, I'd imagine that using a combo of Lava and Lightning would increase dps over just Lightning. But you'll limit it's potential if you put it in a cast sequence.

(Your castsequence milage may vary)