Signets:

Volcano
Cyclone
Gehenna
RagingWaves
Anti-Summoning-Field
Symbol of the Assassin
Symbol of the Sniper
Symbol of Energy
Symbol of Honor
Symbol of Resistance
Symbol of Noise
Symbol of Defense


1. we assume that damage signets appear instantly when player starts casting. correct?
2. buff signets appear only after player has casted (5 sec), correct?
3. do buff signets disappear if player logs out or dies?
4. do buff signets disappear if caster leaves the signet zone?
5. does the caster get buffs from the buff signets? or only the others who are inside area?

EXAMPLE VIDEO: 
http://www.youtube.com/watch?v=DZoME2IAv1E