Cooldown Buff on Event Server

Its Cd buff working on Event server? Only for tera club members? How it works now? Before i can spam skills on BoL, now i cant. Anyone knows please share that info with me.

Still on instances i see ppl who have buff, but i dont have...

I go SM two first runs no buff for me.

on Saravash same first run and nothing..

You are guessing? any source?