#1 - March 9, 2012, 5:08 a.m.
but i have a lvl12 monk?
From the known issues sticky in beta bugs forum
•Hardcore mode is not unlocked for players who already have existing level 10 characters. To unlock Hardcore mode, level a new character to level 10. (NOTE: This is a Beta-only bug as we did not have a character wipe this patch.