I found many good and lazy uses for it the first boss in tempel of jade serpent, If you use a portal on each side, AND your demoic circle, due to it takes more then 15 sec to do a turn. Then you do not haev to move at all, only chance between useing demonic teleport and your gateway.
In BG, use it all the time is always Great to use aginst melees Just a note. YOU can not use it up hill or up in towers/bunkers.
(i am 19 and dyslexic so yes i suck at spelling)
and loads of others but you get my drift. and thats in PvE! pvp every arena and msot battlegrounds will get use out of it
Warlock - Main - now with GREEN FIRE!
Resto Shaman - Main Alt
Exception - Recruiting for 25man heroic progression
dropping it on the "toes" of bosses to allow melee to get straight on world boss's, at least thats my excuse, the real intention is that someone will always click it before raid pulling the boss and killing either the player, or the raid
As a secondary threat dump mechanic.
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Mandatory use for the Warlock green-fire boss
More recent in ToT raids i use it on Lei Shen for people to move quick to far corners during transition, on Qon for the wind phase for heals and people with no movement CD's, on JiKun just in case people fail at downdraft.
BG's anything that will LoS you really. Also if you get the glyph you don't need to click it. (for other to that that stone item thing)
For Lei Shen last phase where you have to burn through the winds and make sure you are nowhere near thunderstruck the gateway is pro.