User blog comment:PYR0NY3H/Witch Gate Tips!/@comment-26260116-20150330133013

Here is another tip i found:

It seems that having low Vita increases the odds of a WG popping.

So, to be used if you need to farm WG and if you are ready to use shoes, if you are about to level up, or have the daily shoes available at your caste:

At around 50ish vita left, go on the first map, avoid any AW fight, and just run until a WG pop. I noticed that in 80% of the cases a WG will pop.