A simple math on prices for Thor server would state that just getting a GBR would take about 460m zeny (260k per OPB), meanwhile a +11 Guillotine Katar[1] price is about 900m~1b.
Both are lvl 4 weap, the demi-human damage increase on GBR seems sweet but GKatar has 200base atk (GBR has 140) and also a 50percent demi increase and a slot (which I will never be able to put Thana in or any other MVP at all), I don't get how slaughter works so can anyone tell me which would be better?
and if GKatar, what card?