merektha's fang
The bis trinket combo in generall use:
Merektha's Fang
Torment in a Jar.
 
Dps breakdown from +21 TD tyrannical. https://gyazo.com/1bd5d40f2ef8938f08c9729f86e13d74
Dps breakdown from +21 KR depleted tyrannical. https://gyazo.com/46439e6f0d9585a9147359f0598f18c8
Dps breakdown from another +21 TD tyrannical. https://gyazo.com/6c89c418634c19a637094f6d1843dbdd
Dps breakdown from +22 TOS tyrannical we played all mobs in orb room. https://gyazo.com/08645f4adf95f636008e69e4938d659e
Dps breakdown from +22 TD tyrannical. https://gyazo.com/4fe0dc1d84ac8ef67b8a88057bfd71c3
Dps breakdown from +20 AD tyrannical. https://gyazo.com/7a88c035d3369339a5f6cf0020ae7f4e
Dps breakdown from +23 TD tyrannical depleted. https://gyazo.com/5653f313aa2bdeebf6cacf1613b3cb7d
merektha's fang How to dowload it? merektha's fang
Dps breakdown from +22 TOS tyrannical we played all mobs in orb room. https://gyazo.com/598f3375d84d7f77d574a04f60c18435
Dps breakdown from +21 SOTS tyrannical . https://gyazo.com/754ef50781308747fe468ff314c2d554
Dps breakdown from +21 AD tyrannical. https://gyazo.com/b0562ffa95a47eedf561eeac10b69eb6

Some fresh overall breakdowns can be found in my VODs on my twitch channel.
 
Why it does so much dmg?
- The reason of this is a as Havoc DH we've a lot haste from this sources - Metamorphosis and traits Furiouz Gaze last one we usually stack 3x times and in total we've amount of in about 120%+ haste every 22-28sec that makes easily to combine our haste buffs with that trinket.
 
How to get it?
merektha's fang How to get it for free? merektha's fang
It can drop for the strength-plate users for their tanks and dps loot spec. I got it from couple 14-16 TOS spam with 2-3 traders all the time and got it after 4-5 runs. https://gyazo.com/1554a4d351c23e52df332198e0d8a1cb
 
If i dont have Merektha's Fang what for 2nd trink u should eq?
For 2nd trinket can advice use jar from ToS \ wheel from Mechagon \ Vita \ Spyglass.

Which trinkets use in raid tho?
- Can advice just analyze logs. 
For ST it's the Shad'har https://www.warcraftlogs.com/zone/rankings/24#boss=2335&class=DemonHunter&spec=Havoc
For AOE it's the Hivemind https://www.warcraftlogs.com/zone/rankings/24#boss=2333&class=DemonHunter&spec=Havoc 
 
merektha's fang PasteShr merektha's fang
For Tyrannical Workshop i run with full ST intended trinkets. I can advice use in this dungeons ST trinkets which u using in the ST raid-fights Coral, Vita, Spyglass, inkpod etc... My combo for this dungeon - Coral n Spyglass. Cus i dont have a Vita trinket yet.
In any other dungeon Torment+Fang.
merektha's fang