It was long in c1 but they fix it in c2. Most other casts, life leach, freez strike cast time 3 sec. On this server hex cast longer then most skills 3+ sec.
this post from c2 change list
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<li style=”margin-top: 0px; text-align: left;”>The casting time and duration for the following skills have been reduced.
<p style=”margin-top: 0px;”>Power Break, Hex, Howl, Surrender to Fire, Curse Weakness, Wind Shackle, Curse Chaos, Surrender to Earth, Surrender to Poison, Surrender to Water, Surrender to Wind, Curse Gloom, Seal of Chaos, Sanctuary, Seal of Winter.</p>