I have played many classes but only like a few of them. Shifters, warriors, paladins and anti-paladins. But I have only had two anti-paladins before, and always deleted before unholy blessing, so:

1: Can I cast unholy blessing on more than one weapon at the same time, like two axes and dual wield them so they both grow in power?
2: Do I have to get the last strike with the blessed weapon in order for it to get a charge, or merely have it do damage in the fight and the foe be slain?
3: I have slain about 4 people and got the last hit with my blessed axe, and never got a charge with it, whats up? Is it just that none of them have been worthy?
4: It seems I can continue to cast unholy blessing on the same axe over and over, why is this? Will the blessing be stronger? I would think once it is cast upon it it would not need to be recast.

Thanks.