how u want to play h5 wen we already have bug in the GF client... i tested to hit someone with my spoiler with earth weapon i did 220-280 dmg i make hit +7 spoiler earth vulnerability and i make the same dmg and lower... in some old servers i played before wen someone had example 100 resist to earth on stats and u make him surrender or something he was loosing some of the stats or even go to - i dont know if thats is right or no here i dont see anything.... the stats is the same i dont know if they remain same and u do more dmg or they go under-below the stats u have... can someone check it?
It is normal, element vulnerability will reduce your targets elemental attack attribute.