"The buff consists of 3 levels with a total duration of 23 hours: Lv. 1 and 2 lasts 8 hours, Lv. 3 - 7 hours; NPC gives a Lv. 1 buff." 23 hours really? Does time keep counting offline? Because 23 hours of trying to win something is just stupid. And in those 23 hours you have to hope you don't die for a War or PK while AFK. Wasn't that a bit overdone this time Staff? If you want to be p2w at least come back with a SG pack like the one from the beginning.
It is like a normal buff, it stops counting when you logoff. So basically you need to be online for an entire week which gives you 7 chances to get a A grade item in the end of the third buff and the chance must be like 0.1%
It's a sealed random weapon and armor. Even if you got the chest with 100% everytime its still useless for most players