Ok you will need 3 Things
1.Hallows end treats (chewy fel tafy ext) or trickty treats.
2.Guild bank
3.1 Thing you can Put into a guild bank
Ok Easy simple Click and drag and item in the guild bank over onto the treats and switch it.
I Tested this with Trickty treats the duration is still at 1 day it was in there for 2 days and the Other candy says 14 days still.:wave:
Heres the screenshoot they all are top duration and i put them in at 49 mins.
http://i211.photobucket.com/albums/b...3/Screenie.jpg