edit: corrected for; T6 bonus, bad FlS math, FT Glyph
Flame shock or not in the level 70 cast sequence?
Right now (going to use some typical Sunwell-gear ratings)
Lightning Bolt
628 - 717 base damage
Modifiers
1415 spell power
29 (gear) + 5 (CoT) + 5 (EO) + 5 (TS) + 3 (ToW) = 47% crit rate
+10% Lightning Overload
+5% T6 4/8 set bonus
1.61 second cast time*
(672 + (1415*.714) * 1.47 * 1.1 * 1.05)) / 1.61 = 1774
vs
Flame Shock
396 + 650 base damage (with 5/5 Storm Earth Fire talent)
Modifiers
1330 spell power
29 (gear) + 5 (TS) + 5 (EO) + 3 (ToW) + 10 (Imp. Scorch) = 52% crit rate for direct damage portion / 0% for damage over time
1.21 second GCD time**
((396 + (1330*.21) * 1.52)) + (812 + (1330*.49))) / 1.21 = 2057 damage
Flame Shock at 70 is DPS benefit for Elemental Shaman assuming SE&F and Glyph of Flametongue when casting on a target with improved scorch?
*(100 / (100 + (366 haste / 15.6))) * 2.0 LB cast time = 1.61 second cast time
**(100 / (100 + (366 haste / 15.6))) * 1.5s GCD = 1.21 second GCD time
edit:
It seems like it, for ~1.21 seconds GCD usage you put out a total of ~2503 damage. By comparison the Lightning Bolt in question may average well over 2800 damage per cast, but for the time usage of ~1.2 seconds only puts out ~1700 damage.
Factors to consider:
1) Can a build including Lava Flows be viable for level 70 without "gimping" the overall talent build?
http://talent.mmo-champion.com/?sham...00000000000000 Was the best I could think of, 20 yard range limitation just isn't viable for raiding.
2) if you have higher latency numbers (looking at you, Australians), Flame Shock might not gain any benefit over spamming LBs due to the latency penalty (my latency is usually in the 40-70 range so I don't have any experience on how extreme latency can affect rotations)?