Not sure if this is widespread to other classes or even if it is new.
But everytime my barbarian logs in, he loses HPs. Approximately 20% of his current amount. Normally not a big deal, but its a little concerning on Hardcore.
He is Dwarf, 18 Barb, 18 Dwarf (5 cores), 20 Frenzy (3 cores), 35 Ravager (5 cores) and 1 Falconry.