#1 - Dec. 17, 2012, 5:59 a.m.
Since last patch, some weapon seems to disappear after 30 minutes.
What the kitten anet ?
Weapon siege
#2 - Dec. 17, 2012, 8 a.m.
Player placed siege weapons have a 30 minute timer that remove the siege from the game, when the timer expires. Players using the siege causes the timer to restart.