Originally Posted by givr
I've read mixed opinions on when to use combustion. This thread states that at a bare minimum Ignite and LB should be on the target, which makes sense given that there is minimum wait time for these spells. My concerns are regarding a Hot Streak proc. At the beginning of the fight, I've played around with waiting for Hot Streak to proc vs using combustion with only LB and ignite present. Sometimes you can wait a long time for Hot Streak to proc, and I'm concerned that this makes us only more reliant on if we get two critical strikes in a row. What I have been doing is opening with a Pyroblast to get the Pyroblast (minus !) on the target, and using my combustion then, as well as whenever the 2 minute cooldown is up. I know that the original post states it doesn't hurt to wait to use combustion for when more DoTs are on the target, but I'm curious if anyone else is doing this, and if anyone has looked into the math to see if it is worth it?
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I find it best to treat combustion more like you would icy veins or arcane power. It needs to be used during the effects of TW, volcanic potion, and any on use trinkets at least once during the fight. It also needs to be used at least twice total during the fight as do your other cool downs. even when its off cooldown and all the dots needed are rolling you still may need to save it to synch up with other cooldowns and fight mechanics.
Scenario 1 – pre-pop burn strategy
Pop potion seconds before the pull to get second drink
Cast scorch as running towards the boss to get in position
Cast time warp, use trinkets
Hard cast pyroblast if this crits this is the best possible combustion
If pyroblast does not crit cast one fireball
If fireball does not crit cast one fire blast(or one more fireball depending on your haste)
If fire blast does not crit you must move on as the pyroblast dot is about to expire and you don’t have enough time left on potions/trinkets to chase it
If hot streak procs on one of the lesser spell crits (fireball/fire blast) use it to try and overwrite the weaker ignite
Cast living bomb, no ignite munching is possible because you will do combustion right after
Cast combustion
Cast flame orb this needs to be up at the same time as TW and trinkets also. You need to do FO again right on cool down at the 1 min mark so it’s ready for the second burn.
Scenario 2 – delayed burn
If the tank needs time to grab agro or the fight mechanics dictate it you can delay the first burn phase usually by up to 1 min. while still allowing for a second burn phase before the fight is over
Scenario 3 – end of fight burn
Do scenario 1 without TW at the beginning; be sure to have everything ready including TW for the final push (35% health). This is by far the best scenario for the fire spec because of the way Molten Fury will interact with the other cool downs, but many fights call for a starting burn and lots of other specs are better at starting burns (arcane mage, hunter)