Took me about 2 months, its one of the most retarded things Ive ever spent my time on >.<...
I mean, currently, im literally sick of FGW, just thinking about it makes me wanna vommit so badly =P
Horewer, I will share my experience here =)
Ehrm lets see, first fgw I did was with couple of friends, was 4 / 4 pt, 2 people buffing, me and mate attackers, droped 2 talismans, one was patch and the other one was ... err.. broken key ?
Wohoo was pure win, that was 3rd day after fgw came out
Oh yeah, rumors are the lower level you are the higher chances is that you will drop a talisman, but thats alot of b/s seeming I havent droped single one on one of my friends char, she is 102 and doesent drop a thing ( did fgw already around 20 ~ 30 times )
Anyways, I was doing fgw daily... around... hmmm... 2 ~ 3 times ?
I menaged to collect all talismans except tear, wich was eventually given to me by my guild mate... rest, I never bought, I collected them all ^^.
How I did it ? I soloed all fgws without killing sereness, taking down all mobs till 2nd ship then running to 2nd box with zerk... there is a way you can evade that annoying thing that debuffs you whille u run trough ships ( if you havent knew it

, just on good matter, port back when killing 1st unique and it will never follow you... or some people say freezing works aswell, then going stealth if you got eu char, I menaged to find out how can you do it with chinese char aswell, but sometimes it works, sometimes it doesent )
The best way to drop talismans is going with ur guildies on 3* + fgw run, or doing it daily more then 2 times... seeming that it gives you talisman the more you spamm it ( again, joymax policy of ripping off peoples money )
Heres my list of drops :
Commander Patch - droped on 2* fgw run, 4 / 4 pt
Phantom Harp - droped solo 2*
Hook hand / Bead - droped solo 2*
Large tong / broken key - droped solo 2*
Evils heart - droped solo 1*
Tear - given by a guild mate ^^
Ive heard people getting stuck / getting bugged... for instance, I did fgw 100 times in row without getting a single talismans, wich brought me to point of writting a letter of joymax... fgw after that gave me 4x talisman drops... xD
Well yeah... thats pretty much my experience... if you have any question, feel free to ask ? =)