IMHO Low level, low average weapons such as envenomed daggers should have a much lower success rate of poisoning seasoned veterans (rank 43-51) due to the poor craftsmanship of the weapon and the hardiness of the heroes (IE: they have suffered before and so are not as vulnerable now).
Reason being that I think it would fit in with realism but from a mechanics point of view I am sick of seeing daggers specs switch to them for a extra -5 str and extra damage per tick and it happens all to easily. This can be the difference in a dagger spec PK or an assassin fight when they nerf your str and dex well enough without.
It would mean that higher ave higher level poison weapons become more desireable/fought after and the lower level ones are good at low level.
Thoughts please.
-----Abernyte