Haste and You... A guide to the misinformed.

[Kjara]

very nice guide. could you add the delay- difference between haste gear and dual wield+ gear too?

[Alkalinehoe]

very nice guide. could you add the delay- difference between haste gear and dual wield+ gear too?

Yes, total delay reduction is 80% can be achieved from both Dual Wield and haste sources. I forgot the formula but they are calculated independently with haste being considered first, then DW.

[RaenRyong]

According to wiki, Charis Casaque +1 is 5% DW and Rapparee is 4% Haste. I'm going to make the assumption that you have Suppanomimi and Charis Necklace (if you lack the necklace don't worry, it won't change the outcome).

Increase in damage from adding x% Haste/DW is 100x/(100 - (x + y)). Looking at Dual Wield, x in this case is 5 and y is 38 (30% trait, 5% suppa, 3% necklace). Your increase in damage is therefore

(100 * 5) / (100 - (5 + 38)) = 500/57 = 8.77% - this is largely a DoT increase as, as we discussed before, WS frequency remains ~same.

I haven't looked at much DNC specific gear but I am going to assume you can cap Haste fairly easily when using a Rapparee Harness, so I'm going to use the perhaps artificial example where this brings you from 21=>25% Haste and also going to include your 10% Haste Samba. Using same formula as above,

(100 * 4) / (100 - (4 + 31)) = 400/65 = 6.15% increase in both DoT AND WS frequency. In an externally unbuffed situation (more buffs making Rapparee considerably better), Charis provides ~2% more DoT but ~4-6% less TP gain. Typically I would expect as a DNC you'd prefer the latter and especially if you are being externally buffed (which will make the DoT difference shrink and even make Rapparee win at higher haste levels, while making the TP gain difference grow in Rapparee's favour).

Tl;dr version is unless you are not getting the full 4% benefit from Rapparee or otherwise capped, use Rapparee over Charis +1. However, you should probably use Charis +2 over Rapparee (unless the difference in TP gain is worth giving up a significant DoT advantage, which it may be in some situations) unless you are receiving Haste buffs to the point Dual Wield starts to become useless/a hindrance (in accordance with the overall delay reduction cap addressed above).