Tempest solo roaming build?

[whoknocks.4935]

Hey guys, I encountered today an insane tempest guy which was playing a really strong build, he seemed to be hybrid playing with the signet trait and he was able to hold and kill people 2vs1.

 

Unfortunately he preblocked me for some reason so i couldn't ask his build.

 

I usually see weavers being hybrid or condi, but i wanna try out tempest too for solo roaming.

 

I know tempest is a support class and usually people go fresh air if they wanna roam. But what was his build? Earth arcane tempest? Anyone run a similar tempest build which is not fresh air and works? Thanks everyone.