You may find it unusual, but sometimes we need to do the impossible, and experiment on the things that may create extra ordinary WoE.
Pros
* bloody and full of action
* no agit is safe
* small guilds can merge together to form a big guild
* no guild is undermanned (56/56)
Cons
* difficult for small guild to engage in battle
* small guild will be force to join big guild or suffer the wrath of the big guild