I'm not sure who's side this is meant to come from, so I'll post it here and reference it there,

The tools that are not gaining experience in the offhand regardless if they land the killing blow or not. The abilities are also not being applied by offhand tools and are instead carrying the effects of their main hand counterparts as if you attacked with the main hand. Kinda funky. :<

think it's about me. ill look into this.