You mean Deodorize or running through water would hide your scent that a handful of monsters would follow you with. But since SE made XIV so you can't kite or pull monsters, there is no need.

Invisible and Sneak would make the world very accessible, where as now there are Aeth i can barely get to only my 174vit THM with full buffs. Mind you that is solo, throw enough bodies and the lag between seeing and killing adventurers would get somebody through.