Paint bubbles and is easily scrapped off by my fingernails . you can kinda tell the paint at the bottom is bubbling easily scraped off Cant upgrade the firmware . Magnets holding the battery cover fell off . The fire button has no click to it and I have to press it from the bottom of the button to get it to fire . Less than 6 mo old . It says joyetech and evic vtc mini on the sides . The mini usb slot looks a bit different that the pictures on the website . I got it from vapefire . net , it was cheaper than anywhere else but not knockoff cheap . Just checked it out and the joyetech website says it ' s a knock off from the security code scratch off . <| sep |> I ' m guessing something to do with Wither Skeletons requiring a 3 block space . Counterintuitive I know , since the whole point of spinning mob variants off into their own separate species was to prevent this kind of stuff like how before 1 . 11 wither skeletons could spawn in 2 block high spaces and instantly start suffocating .