As a low lvl fire mage, you can get combustion up to 10 stacks without triggering a crit. However only useful when waiting for BGs to pop in a city.
Simply pop combustion and find some target dummies you have no chance of hitting, and cast away. Misses count toward the combustion stacks, even if you hit the raid boss lvl dummy has what theory crafters suspect is crit suppression so you may not even crit with 10 stacks.
Enter BG and lol knowing that you have the first 3 spells critting, (4 if you use a simulcasted fireblast using same principles of shatter combos).
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