If you are a Priest and you'r fighting a wizard, just use Lethy + Light-Staff. You wont even need high Grade items...the wizard will probably delete his character. This is how balanced this game is.
I wasn't there at that war, and I don't know how things turned out. But all i know is, that the GM's are not joining wars in a daily base, for me it looked like some special "event". Why do you even mention Gaz? Do you think he gives a shit about this? The last time he joined something was...
Not like i give a shit about wars, but if one lost war made the whole yllse people to be dissapointed, then the people in yllse have a very low self esteeme. Imagine how the poor Vyseus/Zypern guy feels every time he faces 25+ Yllse.