bug > using fireball or lightning when you enter that 3x3 room and have to beat everyone around chest make you unable to target (or cancel for that matter).
If you refresh/close browser window before allocking perks after lvlup you lose them permanently... also manual save would be nice so you don't have to start from the beggining in such situations.
 "Happy Camelot"){kind=icon}
 "Dungelot"){kind=icon}
 "Engage"){kind=icon}