Vanpyr not working

There seems to be a bug with vanpyr not procking. Not sure if the skill just doesnt work or if just some grenades dont count anymore. Or mayby its a bug related to the bloodletter class mod

Been broke for weeks alot of grenades dont proc it my advice is a spring epicenter works really well

Works just fine, ran through the takedown using a recurring cryo hex WITHOUT deathless and bloodletter and healed every time I threw a nade