SMN target swap - how many GCDs to break even?

[Judge_Xero]

Combined Dot potency of BMB2 is 110

Again, fester is worth it only if the target needs to die asap, you lose overall dps using fester on a target that would die in less than a couple GCDs however.

Its pretty easy to calculate when bane is superior to fester, and that is since your dots do 110 potency a tick, and fester is (max) 300 potency, it requires 9 seconds before bane is superior.

That's easy enough. But if you factor in the potency of casting your Dots instead of Baning and then using Ruin, of which you could have saved that Aetherflow stack for an additional Fester on the boss.

I guess it's a case of comparing the Dot windup VS Bane and then factoring the 300 Potency of Fester.

(2.34 GCD)

Dots = 3 GCD (B2, M, B (Instant) and the mob can't die prior to 15s (475 Potency(Dots) + 260 (Ruin X 3 + Miasma Cast) + Fester) (1035 Potency)

VS Bane (550 Dots @ 5 ticks for 15s) (480 Ruin @ 6 casts) (1030 Potency)

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So, single target, it's pretty much always better to re-apply your dots, unless for some reason you need to Bane and then Fester, which is a huge waste.